Doyouknowwhatthiscountryexports? ---Largequantitiesofte...

問題詳情：

Do you know what this country exports?

  ---Large quantities of tea ________ aboard every year.

been sent       B. is sent         C. has been sent       sent

【回答】

D

知識點：動詞時態與語態

題型：選擇題