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【19.Itisnecessarythattheproblem()atonce.选项:a、A.shouldbesettleb、B.besettledc、C.mightbesettledd、D.wouldbesettled】
题目内容：
19.It is necessary that the problem ( ) at once.
选项:
a、A.should be settle
b、 B.be settled
c、 C.might be settled
d、 D.would be settled优质解答
应该是B.
首先句式决定了从句里要用be的原形,而之前有了necessary,就不用再加should/might/would来修饰了.
选项:
a、A.should be settle
b、 B.be settled
c、 C.might be settled
d、 D.would be settled
优质解答
首先句式决定了从句里要用be的原形,而之前有了necessary,就不用再加should/might/would来修饰了.
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