Just daily sentences: birthday, md, semester, pain

I was born in 4th of July in 1994. I was born on the 4th of July in 1994. 

I had been sick in the last weekend.  I had been sick last weekend.

There's a doctor's office in this village. The doctor is a surgeon and physician. I had a lump on my head removed. I used to go to a physician when I was a kid since I had a problem digesting foods.  (Note:  "I got my lump" is not necessarily wrong but is not as good as "had.")

The medical doctor's office is not open in the weekend.  (I would use "on.)
The doctor's office is open on weekdays.

In case of emergency, we have to go to the emergency room in the nearest hospital.
In case that means a surgery, it's better not going to the emergency room because I want to get a surgery from an experienced doctor. So when I'm conscious, I prefer to walk to the doctor's office or make an appointment to at the hospital rather than to go to the emergency room.

I have a stomach pain.

Isn't your semester finished yet?

My semester is finished.

My wounded toes got bluish.

My brother is coming home in a few days.

Will you forget me rather than hating me?   

I've got had some thoughts buzzing around yesterday. Now all I am left with me is just a pain.