题目内容
根据所给汉语提示，完成下面句子。
I think an air tank is the most important thing for an ________．(宇航员)
根据下列句子的意思及所给的汉语提示，写出空缺处单词、固定短语或固定搭配的正确形式。
1. Do you know that some （外国人）will come to our school?
2. Everyone in our class like the girl because she always talks to others （礼貌地）
3. I will not buy that refrigerator because I have （用完）money.
4. —Excuse me, how long may I （借）this book?
—Ten days.
5. My uncle is so （忙于）his new book that he looks so tired.
