—Look, John’s fallen asleep.

— Oh, he _______ too late last night.

A. might sit up     B. should have sat up      C. could sit up           D. must have sat up

D


解析:

從by now看應(yīng)該是完成時(shí)態(tài)，排除B、C，從It usually takes four days看，應(yīng)是ought to“應(yīng)該”，選D。

練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語(yǔ) 來(lái)源： 題型：

--Look! John is ___. Let’s go and see if he needs any help.

A, out of the breath   B. out of breath   C. out of his breath  D. out of breathes

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：2012-2013學(xué)年江蘇淮安楚州范集中學(xué)高一上學(xué)期期末考試英語(yǔ)試卷（帶解析） 題型：單選題

—Look, John‘s fallen asleep at work!
—Oh, he must have ________ late last night.

A．waken upB．put upC．taken upD．stayed up

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：2015屆江蘇淮安楚州范集中學(xué)高一上學(xué)期期末考試英語(yǔ)試卷（解析版） 題型：單項(xiàng)填空

—Look, John‘s fallen asleep at work!

—Oh, he must have ________ late last night.

A．waken up         B．put up            C．taken up          D．stayed up

 

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：2010屆高三英語(yǔ)每周精析精練：情態(tài)動(dòng)詞和虛擬語(yǔ)氣（一） 題型：單項(xiàng)填空

 —Look, John’s fallen asleep.

— Oh, he _______ too late last night.

A. might sit up     B. should have sat up      C. could sit up       D. must have sat up

 

查看答案和解析>>

同步練習(xí)冊(cè)答案