Meeting details : Date : Monday, April 9 2018 Location : client office Time : 1 pm ( depart from office, with estimated time of arrival at client office and start the meeting at 2 pm)

"I can’t help but thank my professor and adviser, who has helped me throughout the last year especially in december, as well as the professors from the social sciences department , who have provided me with knowledge in sociology and several other areas."?

Thank you!

I got many messages from my family and friends today. Thank you so much!
The youngest one is only five years old.
The girl wrote a card for me, and she bring brought it to my mailbox.
It was a surprise! Thank you for your kindness!

CET 6 Translation -Learning Mandarin

Mandarin, the official language of China, is suddenly hot among American schools. Due to the leading position of the Chinese economy in the present century, both public schools and private schools have added Mandarin to their roster of foreign languages one after another, or developed Mandarin language programs. According to statistics, there are 50000 children who are taking Mandarin lessons in American schools. To propel Those developing  Mandarin language project programs has met with some difficulties. Some schools have difficulty teaching Mandarin because they are lacking of the lack of trained, certificated teachers. When schools hire teachers, they generally employ teachers directly from China, which means that  there's a hidden trouble the potential for the future cultural clash.

I would use 'Have'