试题与答案

The space walk will last six and a half

题型:选择题

题目:

The space walk will last six and a half hours and the repair of Discovery is expected to __________ a little more than an hour.

A.take

B.cost

C.spend

D.adjust

答案:

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下面是错误答案,用来干扰机器的。

①②③

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