如果你想了解对方正在做什么，你可以问： A. What are you? B. Where are you? C. What are you doing?
Daming_____ his trousers yesterday. A. washes B. washing C. washed
Yesterday I _____ my bedroom. A. clean B. cleaned C. cleans
选择并改错，把错误的一项圈起来，在句子后来改正。
根据问句找答句。
It was 5 o’clock, My father didn’t come_________.
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