欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

He ____ have finished his work; Otherwise, he would．not be enjoying himself by the seaside．
A．shouldB．mustC．couldn’tD．can’t
B
考查情態(tài)動詞表推測的用法。must have done 表示對過去事情肯定的推測，用于肯定句中，句意：他一定完成工作了，否則的話他就不會再海邊玩的這么高興了。所以選B。
練習(xí)冊系列答案
相關(guān)習(xí)題

科目：高中英語 來源：不詳 題型：單選題

The child asked his mother ______ go out to play tennis.
A．that he couldB．if he couldC．if could heD．that could he

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

It was suggested that the meeting ______ the next day.
A．be heldB．must be heldC．heldD．should hold

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

–I could not start my car this morning due to the cold weather.
--No wonder you were late. You ___ have used mine. I was not using all the morning.
A．shouldB．mustC．couldD．might

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Do you know Herbie? I’m always running into him; he _______ live nearby.
A．wouldB．needC．mustD．should

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

——I can’t find my MP4 player.
—— You _______it on the desk. I saw a red one on it.
A．might have putB．can putC．need have putD．must put

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Had we assisted him , he ________ us a hand ________ today .
A．would have given ; in exchangeB．should give ; to exchange
C．could give ; in exchangeD．might have given ; to exchange for

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

–I didn’t invite him to the party but he came anyway and got completely drunk.
--__________he hadn’t come! The party could have been a success.
A．How comeB．Only ifC．What ifD．If only

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


About one in ten computer game players show signs of addictive behavior that      have
negative effects on their family, friends and school work , according to a new study.
A．couldB．shouldC．needD．would

查看答案和解析>>

同步練習(xí)冊答案