2019年mpa考试英语真题——虚拟语气336

{01}The streets are all dry . It ____ during the night . A.can""t have rained B.mustn""t have rained C.couldn""t rain D.shouldn""t have rained 解析：can""t have rained 表示推测过去准没下过雨。
本题选A。
{02-----He ought to have been warned of the danger.
----- ______ ,but he just wouldn’t listen to me. A.So ought he B.So he was C.So he was D.So he had 解析：ought to have been warned of表示”本应该被告诫有危险“，是对过去动作的推测，因此回答也应该用过去时。A的构成形式不对。
【标签】固定句型和情态动词
本题选B。
{03}— ____ he open the door ?
— Yes , please . A.Will B.Shall C.Does D.Would 解析：shall 用于第一、三人称疑问句时，表示说话人征求对方意见或向对方请求。根据语境，不宜用 will 表将来时态的选项。应选 shall 意思是：要让他开门吗 ?
本题选B。