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to say which one I should choose.A.That’s hardB.It is hardC.There no useD.It no

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to say which one I should choose.A.That’s hardB.It is hardC.There no useD.It no

_______ to say which one I should choose.

A.That’s hard

B.It is hard

C.There no use

D.It no good

试题答案

B

it 作形式主语,后面的不定式短语作真正的主语。