I see three birds.A.一只 B.两只 C.三只
_____ people invented paper.A. English B. Chinese C. American
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。