35．While I a book.there was a knock at the door．A．read B．a(chǎn)m reading C．was reading D．readed 【查看更多】

 

題目列表(包括答案和解析)

While I ________ a book，there was a knock at the door．

A．read             B．a(chǎn)m reading            C．was reading           D．readed

查看答案和解析>>


同步練習(xí)冊答案