题目内容：

 

1.When _____ the Great Wall ____________ (build)? Thousands of years ago.

2.Most of the boys want to risk ____________(ride) the roller coaster at high speed.

3.---Where is Henry?     --- He with his classmates ___________ (prepare) for the final term exams next week in the classroom..

4.Most eye problems  can_________________ (cure) to help poor people see again.

5.We ________________ (write) about 20 English stories since 2010.

6.You will not watch TV until your homework _____________(finish).

7.I’m sure that the life we are used to_____________(change) in the near future.

8.They _______________ (fight) on the street when it started to rain heavily.

9.My teacher told us________________(not laugh ) at others when they are in trouble.

10.Have you finished Nanjing university(大学) ? Yes, I _________(study) there for 4 years.