My final test at school (level 1) - Please help me correct these 5 conversations

Hello everyone,
This Friday, March 29, 2013, my classmates and I will do our English final test at school. We'll practice Speaking Skill. 2 students will choose a topic and speak together. We have total 5 topics. A friend in class prepared these 5 topics and shared for all us:
1
A: Hello B! What are you up to?
B: Oh A, I’m playing badminton in the park.
A: You play badminton? How often?
B: About three times a week.
A: It sounds good, but I can’t play badminton.
B: So what do you play?
A: I swim every Sunday.
B: Great. I can swim too.
A: Why don’t we make a day to swim together.
B: That would be great. How about next Sunday at 9:00 AM?
A: That sounds fine. And  Where?
B: Phu Tho pool.
A: Ok. See you then.
2
A: Oh B. Good morning.
B: Good morning A. Why did you come here?
A: Actually I turned back home.
B: Where did you go?
A: I went to Da Nang city for my vacation.
B: Really? How was your vacation?
A: It was short. But I stayed at a great resort. It was relaxing.
B: Was it hot?
A: It was sunny all day. The weather was so hot. But people were friendly.
B: Do you want to come back Da Nang again.
A: Sure, I’ll come back in this summer.
3
A: Oh B, did you prepare for C’s Birthday?
B: It's so difficult to choose clothes. ( clothes = oufits ). 
A: What do you think of wearing a shirt?
B: I’d like to wear a polo shirt. It’s active, young and comfortable.
A: That’s a good idea. It’s perfect if you wear jeans.
B: Yeah. But red or blue?
A: I think the red is better.
B: Oh thank you. And what are you going to wear for the party?
A: I'm going to wear a turtleneck and sweatpants.
B: That sounds good. See you at the party.
A: Oh bye.
4
A: What is that?
B: It’s a traffic jam.
A: When does that usually happen?
B: It often happens at rush hour.
A: What are the reasons? ( Why is that? )
B: I think the streets aren’t big enough for lots of bikes.
A: What do you do when you see a traffic jam?
B: I’ll wait. I don’t like the crowded traffic.
A: You ride a bike, don’t you?
B: Yes. I use the bike to go to work.
5
A: Hello B. How do you do.
B: I’m fine. And you?
A: I’m fine. Can you give me some advise please.
B: What happened?
A: I lost my cellphone last week.
B: Oh what a pity.
A: And I want to buy a new phone. Do you have some ideas?
B: How much do you have? 
A: 10 million VND.
B: I think Nokia is a good brand.
A: Nokia is old. And I don’t like it.
B: What’s about Apple?
A: Are you kidding. Apple is so expensive.
B: Oh. So Sony? My friend is has this brand.
A: Is it difficult to use?
B: No, it’s so easy. And it’s convenient for your work.
A: Ok thank you. Maybe I will buy a Sony

Rephrased after minor correction:-

My final test at school (level 1) - Please help me correct these 5 conversations

Hello everyone,
My classmates and I will sit for our English final test at school in this Friday, March 29th, 2013 . We'll practice Speaking Skill. 2 students will choose a topic and speak together. We will have 5 topics in total. A friend in class prepared these 5 topics and shared to all of us.
1
A: Hello B! What are you up to?
B: Oh A, I’m playing badminton in the park.
A: You play badminton? How often?
B: About three times a week.
A: It sounds good. But I can’t play badminton.
B: So, do you play?
A: I swim every Sunday.
B: Great. I can swim, too.
A: Why don’t we make a day to swim.
B: That would be great. How about next Sunday at 9:00 AM?
A: That sounds fine. And where?
B: Phu Tho pool.
A: Ok. See you then.
2
A: Oh B. Good morning.
B: Good morning B. Why you come here?
A: Actually I turned back home.
B: Where did you go?
A: I went to Da Nang city for my vacation.
B: Really? How was your vacation?
A: It was short. But I stayed at a great resort. It was relaxing.
B: Was it hot?
A: It was sunny whole day. The weather was so hot and people were friendly.
B: Do you want to come back Da Nang again.
A: Sure, I’ll come back in this summer.
3
A: Oh B, do you prepare for C’s Birthday?
B: That’s so difficult to choose clothes.
A: Which shirt will you wear?
B: I’d like to wear a polo shirt. It’s active, young and comfortable.
A: That’s a good ideas. It’s perfect if you wear a jean.
B: Yeah. But red or blue?
A: I think the red is better.
B: Oh thank you. And what will you wear in the party?
A: I will wear a turtleneck and sweatpants.
B: It sounds good. See you at the party.
A: Oh bye.
4
A: What is that?
B: It’s a traffic jam.
A: When does it happen?
B: It happens often during rush hour.
A: What are the reasons?
B: I think the streets aren’t enough big for many bike.
A: What do you do when you see a traffic jam?
B: I’ll wait. I don’t like the crowded.
A: You ride bike, don’t you?
B: Yes. I use this bike to go to work.
5
A: Hello B. How do you do.
B: I’m fine. And you?
A: I’m fine. Give me some advise, please.
B: What happen?
A: I lost my cellphone last week.
B: Oh what a pity.
A: And I want to buy a new phone. Do you have some ideas?
B: How much do you have.
A: 10 million VND.
B: I think Nokia is a good brand.
A: Nokia is old. And I don’t like it.
B: What’s about Apple?
A: Are you kidding. Apple is so expensive.
B: Oh. So Sony? My friend is using this.
A: Is this difficult to use?
B: No, it’s so easy. And it’s convenient for your work.
A: Ok thank you. May be I 'll buy Sony