– I ran 10 miles last weekend. Can you believe that?
– Wow, that ______ easy!
A．mustn' t beB．mustn't have been
C．can't have beenD．couldn’t be
C
    
試題分析:考查情態(tài)動詞。must 表示推測不用于否定句，排除A、B選項，而根據(jù)last weekend可知這是對過去的推測，應該用情態(tài)動詞+have done，所以C選項正確。句意：--我上周跑了十英里。你相信嗎？--哇，那肯定不容易吧！
練習冊系列答案
相關(guān)習題

科目：高中英語 來源：不詳 題型：單選題

It was very kind of you to do the washing-up but you _____ it
A．needn’t doB．shouldn’t doC．mustn’t have doneD．needn’t have done

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

--- Mike, since you don’t like to see the film with us, you ____ as well watch TV at home.
--- OK, Mum.
A．canB．willC．mightD．must

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Go and do it right now, and you _____ have my help when in trouble.
A．willB．shallC．shouldD．must

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

- These apples look very beautiful.
- They ________. See the price $ 3.99 a pound. Very expensive, aren’t they?
A．shouldB．wouldC．couldD．might

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

— Is Jack on duty today?
— It ________ be him. It's his turn tomorrow.
A．mustn'tB．won'tC．can'tD．needn't

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

According to the rules of Daddy, where are we going?, nobody _______ take along with them cash and cell phones.
A．must B．mayC．will D．shall

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

The ground isn't wet. It ________ have rained last night.
A．mustn’tB．shouldn’tC．wouldn’tD．can’t

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

—Why does Mary look so worried today?
—I’m not sure, but she _____ a small accident driving here.
A．must haveB．might haveC．must have hadD．might have had

查看答案和解析>>

同步練習冊答案