根据句意及所给的词首字母或汉语提示，补全单词。1.Asweknow,them
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问题详情：
根据句意及所给的词首字母或汉语提示，补全单词。
we know, the m________ goes round the earth.
u________ gets home at 6:00, but today he didn’t get home until 7:00.
r working for several hours, he was t______
__ and fell asleep soon.
students are having a ________(化学) class in the lab.
shouldn’t waste water. Instead, we should ________(节约) it.
【回答】
1. moon 2. usually 3. tired 4. chemistry 5. save
知识点：单词拼写
题型：完成句子
