—I called you at 9 last night，but no one answered.
—Sorry，I ________ sleeping.I went to bed very early.
A．need have beenB．would have been
C．must have beenD．should have been
C
解析　根據(jù)答語中的“I went to bed very early”可知，此處為肯定推測，用must，表示問話人打電話時，答話人一定正在睡覺。must have done表示過去肯定做了某事。
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

—I wonder where Peter is.He said he’d be here for lunch.
—Don’t worry！He________be caught in the rush hour.
A．willB．should
C．canD．may

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

It is beyond my understanding that many adults ________ be so crazy about Harry Potter series.
A．willB．can
C．mayD．should

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

No one________ be more generous；he has a heart of gold.         (2013·天津，9)
A．couldB．must
C．dareD．need

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

(2014·南通第二次學(xué)情調(diào)研)—In case anyone ________come in my absence，tell him I will be back soon.
—Sure，I will.
A．wouldB．should
C．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

---who______it be that is knocking at the door?
---It_______be Father, but I’m not sure.
A．can, mustB．can, mayC．must, canD．may, must

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Sir, you _______ be sitting in this sitting room. It is for women and children only.
A．oughtn’t toB．can’tC．won’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

Martin hasn't got in touch with me for ages. He ________ my new cell phone number.
A．can't getB．mustn't get
C．can't have gotD．shouldn't have got

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

(2013·遼寧高考)Harry is feeling uncomfortable.He ________ too much at the party last night.
A．could drinkB．should drink
C．would have drunkD．must have drunk

查看答案和解析>>

同步練習(xí)冊答案