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1. “When is your math exam?”    - “Well, at this time tomorrow, I ______ .”

A. will sit     B. will be siting C. sit D.is sitting

2. She said to me that she _____ to me the Sunday before.

   A. wrote             B. has written               C. was writing                 D. had written

3. How many times have I told you ______ football in the street?

A. not to play           B.do not play        C. not playing                  D. will not play

4.________ pollution happens when human activities destroy the Earth’s surface.

A. Thermal B. Visual C. Noise D. Soil

5. Aquatic plants may also die ______   the polluted water.

A. because           B. because of           C. since D. though

6. Mr. Brown ______ reading the letter when the telephone rang. 

A. Had just finished                      B. just finished              

C. has just finished                 D. finish just

7. The boy said that he ____ all his homework before he ___ to school.

A. had done / went                B. did / had gone           

C. does / goes                       D. did / had gone

8.I told her ________  about her wedding; everything will be OK.

A. don’t worry               B. not to worry         C. no worry               D. not worry

9.The doctor advised __________ late.

A. me not staying up                   B. me not stay up        

C. me not to stay up                        D. I did not stay up  

10.She doesn’t mind_______  the night shift.    

A. to work                B. to working                  C. working                 D. work 

11.Try ___ so many mistakes.  

A. not to make            B. not making               C. to make not        D. making not

12. Factories dump ______  waste into lakes and rivers

A. industrial B. medical C. household D. farm

10. Farms using _____ to kill insects and herbicides to kill weeds can also lead to water pollution.

A. fertilizer B. chemical C. pesticides D. dynamite

11. People who cannot hear or speak often communicate using_______ .

   A. pictures            B. sounds C. codes D. signs

12. He asked me ______ I preferred video conferencing to face-to-face meetings. 

A. that                             B. whether                               C. if                         D. B& C

13. Alexander Graham Bell was the ______of the telephone. 

A. developer          B. conservationist                  C. inventor                D. explorer

14. Astronauts said that humans ____ find some way to communicate with aliens. 

A. might            B. ought                              C. did                           D. can

15.They planned ______ in touch with each other by using emails.

 A. to keep                B. keep                   C. keeping                  D. to keeping

16.When Beth got tired, she stopped ______. 

A. works              B. to work            C. work          D. working

17.This beautiful picture _____   by Mary.

A. is drawn           B. is drew          C. is draw    D. is drawing

19.The teacher explained the rule to the students.

A. The rule was explained to the students.         B. The students were explained the rule.

C. The students were explained the rules.           D. A and B are correct

20. He _____   on the report at this time tomorrow.

will work        b. will be working            c. work       d. has worked 

21. He asked me _______ the film called “Star Wars”.

A. have I seen B. if I had seen C. have you seen D. if had I seen

22. They said that they had been driving through the desert____.

A. the previous day                 B. yesterday      C. the last day       D. Sunday previously  

 23.If she _____   him, she would be very happy.

A. met B. will meet    C. is meeting                D. should meet

24. Unless you _____   all of my questions, I can’t do anything to help you.

A. answered B. answer C. would answer           D. are answering

25. If someone ____   into the store, smile and say, “May I help you?”

A. comes B. came C. would come D. could come

26. If you had the chance, _______ you go fishing?

A. did B. may C. would D. do

27.The contaminated water has ____ the death of aquatic animals and plants.

A. lead to            B. led to              C. because               D. because of

28.All types of pollution are ___________ to the health of humans and animals?

A. harm            B. harmful              C. die               D. cause

29.Polluted water ____ in the death of fish.  

A. causes            B. results               C. leads               D. makes

30.Polluted water _______   the fish die.  

A. causes            B. results               C. leads               D. makes

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