1. Unless you understand, I ________explain it again to you.
A. am B. was C. will D. would
2. If he ________a student, he will get a discount.
A. is B. was C. were D. will be
3. Because plastic bags are very hard to ________, they will cause pollution.
A. dissolve B. wrap C. tear D. collect
4. These materials can be ________into other packaging products.
A. reused B. reduced C. removed D. recycled
5. If people ________public transport, there will be less pollution.
A. use B. will use C. can use D. used
6. Minh’s English is excellent. He speaks ________.
A. perfectly English B. English perfectly C. in perfect English D. English perfect
7. If you go ________doing that, you’ll end ________ in serious trouble.
A. up/ with B. on/ up C. off/ with D. out/ up
8. Crops are sprayed with ________to kill insects.
A. fertilizer B. manune C. dung D. pesticide
9. What about ________used paper, bottles, and cans every day?
A. collect B. collecting C. to collect D. to collecting
10. If the sea water continue to be polluted, many fish species ________extinct.
A. became B. will become C. would become D. become
1. Unless you understand, I ________explain it again to you.
A. am B. was C. will D. would
2. If he ________a student, he will get a discount.
A. is B. was C. were D. will be
3. Because plastic bags are very hard to ________, they will cause pollution.
A. dissolve B. wrap C. tear D. collect
4. These materials can be ________into other packaging products.
A. reused B. reduced C. removed D. recycled
5. If people ________public transport, there will be less pollution.
A. use B. will use C. can use D. used
6. Minh’s English is excellent. He speaks ________.
A. perfectly English B. English perfectly C. in perfect English D. English perfect
7. If you go ________doing that, you’ll end ________ in serious trouble.
A. up/ with B. on/ up C. off/ with D. out/ up
8. Crops are sprayed with ________to kill insects.
A. fertilizer B. manune C. dung D. pesticide
9. What about ________used paper, bottles, and cans every day?
A. collect B. collecting C. to collect D. to collecting
10. If the sea water continue to be polluted, many fish species ________extinct.
A. became B. will become C. would become D. become