Tonyhelpedhismother_____thehouseworklast_爱下问搜题

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问题选择题

Tony helped his mother _____ the housework last Sunday. [ ]

A. do

B. does

C. did

答案

答案：A

选择题

—Have you ever seen ____ pen? I can’t find my pen anywhere.

--Is it ____blue one? It is under the book.

A．a; the

B．the; a

C．a ; a

D．the ; the

填空题

起重机司机在作业时视线受阻，应（）