题目内容

There ________ serious air pollution if people use more and more cars.

[  ]

A.

will be

B.

has

C.

will have

D.

are

答案:A
解析:

  if(如果)引导的从句用一般现在时,主句多用现在时表将来,而there be的将来时结构为There will be。


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