We can never forget the days _______ the three astronauts in spaceship worked together and the days

题目简介

We can never forget the days _______ the three astronauts in spaceship worked together and the days

题目详情

We can never forget the days _______ the three astronauts in spaceship worked together and the
days ________ we spent together.
[      ]
A. what; that    
B. which; when    
C. when; which    
D. on which; when
题型:单选题难度:中档来源:模拟题

答案

C

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