题目内容
The next step in exploring _________ outer space might be sending people there in ________ spaceship.
[ ]
A./; a
B./; /
C.the; /
D.the; the
答案:A
解析:
解析:
outer space 表示“外部太空”,泛指概念;in a spaceship乘宇宙飞船。 |
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