19、There ________ many old houses here ten years ago.

A. is         B. was       C. will be     D. were

18、―Don’t talk in class.

―________.

A. Yes, I will    B. Sorry, I won’t  C. Not at all     D. Don't say that

17、－Did you have fun at the party last weekend?

－Yes. We enjoyed ________ very much. 

A. ourselves     B. myself        C. us          D. me

16、Chongqing, our hometown, is one of ________ cities in the world.

A. the biggest    B. bigger        C. much bigger  D. big

15、―You went to sleep with the TV on last night. 

―Oh, sorry, mom! I forgot _______.

A. turning it off   B. to turn it off   C. to turn it down  D. turning it down

14、Tibet has been a part of China since _________ years ago.

A. hundred                      B. seven hundreds  

C. hundreds of                   D. seven hundred of

13、You can’t get in. The exam _________ for over 30 minutes.

A. has been on   B. has begun     C. began       D. begins

12、Jack does his homework ________ Mary. So they both always get good grades in the exams. 

A. so careful as   B. as carefully as  C. carefully as  D. as careful as

11、The photo often makes me ________ of my old friends. 

A. thinks        B. to think        C. think       D. thinking

10、I got up late this morning, _______ I was late for school. 

A. while         B. but           C. so          D. or