The number of people in the world _____ about 6 billion and large quantities of
题型：0123 期中题难度：来源：
| The number of people in the world _____ about 6 billion and large quantities of waste _____ each year. |
A. total; has been produced
B. totals; is produced
C. totals; are produced
D. total; are being produced |
答案
举一反三
— There is _____ on using mobile phones at the gas station.
— Do you mean talking on the mobile phone _____ at the gas station? |
A. a ban; is banned
B. ban; banned
C. a ban; banned
D. ban; is banned |
| Most foreign visitors to Beijing simply run out of time before they realize it, for so much of interest _____ to see. |
A. is offered
B. is offering
C. offers
D. offered |
| Linda, make sure the tables _____ before the guests arrive. |
A. be set
B. set
C. are set
D. are setting |
| In the spoken English of some areas in the US, the "r" sounds at the end of the words _____. |
A. are dropped
B. drop
C. are being dropped
D. have dropped |
— Why was the factory closed?
— The workers have put down their tools and are refusing to work overtime unless they _____ extra for it. |
A. will be paid
B. are paid
C. pay
D. are being paid |
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