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If city noises _______ from increasing, people _______ shout to be heard even at the dinner table 20 years from now.

　 A. are not kept; will have to 　 B. are not kept; have to

　 C. do not kept; will have to 　 D. do not kept; have to

If city noises ___from increasing, people __ shout to be heard even at the dinner table 20 years from now.

A.are not kept; will have to       B. are not kept; have to 

C. do not kept ; will have to      D. do not keep; have to

If city noises ______ from increasing, people______ shout to be heard even at the dinner table 20 years from now. (MET1992 )

　A. are not kept; will have to B. are not kept; have to 

　C. do not keep; will have to D. do not keep; have to

29. If city noises____from increasing, people___shout to be heard even at the dinner table 20 years from now.

   A. are not kept; will have to 　                 B. are not kept; have to  

   C. do not kept; will have to 　             D. do not kept; have to

If city noises ___ from increasing, people ___ shout to be heard even at diner.