國文屋

位置:首頁 > 練習題 > 

—Whydoestheriversmellterrible?—Becauselargequantitiesof...

練習題2.78W

問題詳情:

—Whydoestheriversmellterrible?—Becauselargequantitiesof...

—Why does the river smell terrible?

—Because large quantities of water ________.

A.have polluted  B.is being polluted

C.has been polluted  D.have been polluted

【回答】

D 

知識點:現在完成時及其被動式

題型:選擇題

標籤: