题型：翻译 题类：常考题 难易度：普通
初中外研（新标准）版八年级英语下册Module 3 Journey to space单元测试
Scientists are send astronauts to Mars one day.
We haven't on other planets .
It is how the universe is.
They Mars yet.
This kind of book is good I've the library to keep one for me.
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