問題詳情

18. There ____________ a lot of snow lately. If you need to drive in the mountains, you should put on snow chains that canmake your trip safer.
(A) had
(B) used to be
(C) had been
(D) has been

參考答案

答案：D
難度：困難0.333333
統計：A(0),B(0),C(2),D(1),E(0)