当别人感谢你时，你应该说：A. Thank you. B. you are welcome.
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_________.
Did you ________ some cakes?
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