問題詳情:
The most polluting vehicles from driving through the city since then.
A. are banned B. ban C. have been banned D. have banned
【回答】
C
知識點:現在完成時及其被動式
題型:選擇題
問題詳情:
The most polluting vehicles from driving through the city since then.
A. are banned B. ban C. have been banned D. have banned
【回答】
C
知識點:現在完成時及其被動式
題型:選擇題