题目内容
It takes us more than three days to get to the moon ______ (乘宇宙飞船).
[ ]
A. by spaceship B. in spaceship
C. on spaceship D. at spaceship
答案:A
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题目内容
It takes us more than three days to get to the moon ______ (乘宇宙飞船).
[ ]
A. by spaceship B. in spaceship
C. on spaceship D. at spaceship