—CanyousingthisEnglishsongforus,Tom?    —Ofcourse.It

問題詳情：

 —Can you sing this English song for us, Tom?   

 — Of course. It________ many times.

     A. teaches          B. is taught       C. has been taught     D. taught

【回答】

C

知識點：動詞時態

題型：選擇題