問題詳情:
--- Why does the lake smell terrible?
---Because large quantities of water .
A.have polluted B.is being polluted
C.have been polluted D.has been polluted
【回答】
C
知識點:動詞時態與語態
題型:選擇題
問題詳情:
--- Why does the lake smell terrible?
---Because large quantities of water .
A.have polluted B.is being polluted
C.have been polluted D.has been polluted
【回答】
C
知識點:動詞時態與語態
題型:選擇題