（）will take three days to load the cargo._爱下问搜题

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问题单项选择题

（）will take three days to load the cargo.

A.That

B.This

C.It

D.What

答案

参考答案：C

选择题

To make our city more beautiful, rubbish into the river. [ ]

A. needn't be thrown

B. mustn't be thrown

C. can't throw

D. may not throw

问答题

吊装方案的编制依据是什么