题目内容
根据汉语提示填入适当的单词。
1. I think the calculator was _____ (发明) before the computer.
2. A stamp is used for _____ (寄) a letter.
3. Shoes with adjustable heels are used for _____ (改变) the style of the shoes?
4. What do you think is the most _____ (有用的) invention
5. I'm sorry I took your book by _____ (错误).
2. A stamp is used for _____ (寄) a letter.
3. Shoes with adjustable heels are used for _____ (改变) the style of the shoes?
4. What do you think is the most _____ (有用的) invention
5. I'm sorry I took your book by _____ (错误).
1. invented 2. sending 3. changing 4. helpful 5. mistake
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