問題詳情

21. Tornados, strong, disastrous wind storms, take place most likely in the spring when hot winds ____ over flat land meet heavy, cold air.
(A) which to rise
(B) that rises
(C) to be rising
(D) rising

參考答案

答案:D
難度:簡單0.704545
統計:A(2),B(11),C(4),D(62),E(0)

用户評論

Sharon】評論

(B) hot winds that rise