III. Choose the word or phrase (A, B, C or D) that best completes the sentence.

6. If anyone_________, ________ him I ___________ back at 9 o'clock.

A. calls / tell/ will be                        C. is calling / tells/am

B. called / telling / would be           D. will call / to tell / am

7. We shouldn’t _______ rubbish on the street.

A. throw

B. reuse

C. wrap

D. turn of

8. _________ means giving things to people who are in need.

A. Swap

B. Charity

C. Reuse

D. Recycle

9. If we use ____ paper, we will save a lot of trees.

A. fewer

B. less

C. more

D. much

10. You should put the food in a rcusable box ____________ plastic bag

A. by

B. instead of

C. because of

D. without you

11._____ you hear the fireworks from your house last night?

A. Can't

B. Could

C. Can

D. will

12. Yesterday, my mother ________ me a robot toy on my birthday.

A. give

B. gave

C. giving

D. to give

13. My father always ___________ coffee at home instead of going to the coffee shop.

A. do

B. does

C. make

D. makes

14.** do you think about the new kinds of robots?"

A. How        B. What          C. Why          D. When

15. "We waste a lot of moncy and time rescarching and making robots".

"________________"

A. I think not.        B. I don't think so.            C. I agree with.                D. I don't hope so.

VI.

1. Was not 

2. was not

3. was

4. has read

5. is looking

IX. 

41. The weather isn't warm enough for us to go out.

42. The film is too boring for us to see.

43. They think that it is not easy to learn English.

44. Milk is her favorite drink.

45. How tall is the Mount Everest?

1a

2a

3b

4b

5b

6b

7a

8d

9d

10a

11b

12c

13a

14d

15d