Everypossiblemeanstopreventthe

Every possible means _____ to prevent the air pollution, but the sky is still not clear.

A．is used

B．are used

C．has been used

D．have been used

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相关试题

The beach is so beautiful that it is worthwhile, I think, _____ for a short holiday.

A．of going

B．to be going

C．your going

D．you to go

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--- Would you be _____ lend me your bicycle?
　--- Sure.

A．so kind as to	B．kind enough as to
C．very kind to	D．so kind to

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Towards evening, the patient opened his mouth as if _____ something to his son.

A．said

B．say

C．to say

D．to have said

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“Well, I’ll tell you a secret ...” said the boy, with his mouth almost _____ my ear.

A．touched

B．touching

C．touch

D．to touch

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They looked forward with hope _____ a chance to receive further education.

A．for getting

B．of getting

C．to get

D．to getting

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