If city noises ____ from increasing,people ____ shout to be heard even at dinner.
A. are not kept;will have to B. are not kept;have
C. do not keep;will have to D. do not keep;have to
A
The fifth generation computers, with artificial intelligence, are ____and perfected now.
A. developed B. have developed
C. being developed D. will have been developed
C
--- ____ the sports meet might be put off.--- Yes,it all depends on the weather.
A. I've been told B. I've told C. I'm told D. I told
A
I need one more stamp before my collection ___.
A. has completed B. completes C. has been completed D. is completed
D
Rainforests ___ and burned at such a speed that they will disappear from the earth in the near future.
A. cut B. are cut C. are being cut D. had been cut
C
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