题目内容
1. If you are in space, you can see ________ sunrises and sunsets in a whole day.
2. Some astronauts think ________ is the most fun thing to do during their free time.
3. Astronauts have to attach their sleeping bag to the wall, or they will ________.
4. Astronauts often ________ during their free time.
5. 将文中划线的句子翻译成汉语。
4. write e-mails to their family and friends on Earth or watch DVDs.
5. 宇航员们整天努力工作,但在一天结束的时候他们有空闲的时间。 (答案不唯一)
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