6. The workers ________ work at the moment.

A. are all at B. all are at C. are all at the D. all are at the

5. -________ is Mr. Zhang? -Don't know. I think he is very old.

A. What B. Where C. How old D. How

4. Physics ________ useful subject.

A. is a 　　B. are a 　　C. is an 　　D. are an

3. -Welcome to our factory! -________

A. You're welcome.　　　　　　　 B. That's right.

C. Thank you very much.　　　　　 　D. I'm happy to be here.

2. -Kate, could I have a look at your new electronic dictionary, please?

-________

A. All right!Here you are. B. Yes, you could.

C. Why? 　　　　　　　　　　D. Yes, give you.

A. 选择填空。(15分)

1. -Mum, I can't find my dictionary.

-Look, it's under your bed. You must ________ your things.

A. look at B. look like C. look after D. look for

10. -Who is on ________ duty today?

-Lin Tao is. Now he is playing ____football on ______ playground.

9. ________ Blacks were watching TV when ________ telephone rang.

8. Where is Chen Ying. She is in ____ hospital. She has been ill for a week.

7. I don't feel very well. ________ doctor told me to take the medicine three times ______day.