6. His trousers _______ worn out.
A. is B. are C. be D. was
5. It’s a sunny day. There _______ many people here on vacation.
A. be B. was C. is D. are
4. When I came into the room, his family _______ watching TV.
A. is B. are C. was D. were
3. So far, the population of China _______ over 1.3 billion.
A. are B. is
C. has been D. have been
2. Everything _______ quite dear in this shop.
A. are B. is C. has D. have
1. Email, as well as telephones, _______ an important part in daily communication.
A. is playing B. have played
C. are playing D. play
5. 夏令营为孩子们组织了大量的活动。
The ________ _______ organized a lot of ________ for the children.
Unit 3
4. 如果你填了这张表,就可以把书带出图书馆。
If you ________ _______ this ________, you can take books out of the library.
3. 在西安有许多名胜古迹等你去参观。
There are so many ________ _______ ________ to visit in Xi’an.
2. 她在学习上取得了巨大进步。
She ______ _______ ______ with her studies.