It's time you __________ the literature review.-考呗网题库移动版
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A.began
B.shall begin
C.begin
D.are beginning

参考答案A
解析: A。你应该开始写文献综述了。二等查固定句式。it's(high)time后接从句时,从句谓语动词要用过去式或should+动词原形,should不可省略,故选A。

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A.which fact
B.the fact of which
C.fact
D.that fact

A.is the Earth
B.the Earth is
C.is as the Earth
D.as is the Earth

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