It was playing computer games that cost the boy plenty of time he ____ doing his lessons.
A．might have spentB．ought to have spentC．must have spentD．could have spent
B
本題考查的是虛擬語(yǔ)氣的有關(guān)用法。Ought to / should + have +p.p表示“本來(lái)應(yīng)該做卻沒有做到的事情”，有責(zé)備的含義。
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：不詳 題型：單選題

—Why aren’t they here yet?
—They           the bus.
A．can have missedB．must be late for
C．may have missedD．might be late for

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

He pushed the door again and again, but it ___ open.
A．may notB．can'tC．didn’tD．wouldn't

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

In crowded places like_____airports and railway stations,you _______ take care of your luggage.
A．canB．mayC．mustD．will

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

According to the air traffic rules, you______switch off your mobile phone before bearding.
A．may B．canC．would D．should

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

You _________ be right, but I don’t think you are.
A．canB．couldC．mustD．should

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

As it turned out to be a small house party, we _______ so formally.
A．needn’t dress upB．didn’t have to dress up
C．might not have dressed upD．needn’t have dressed up

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

He insisted that the sky ____ clear up the following day.
A．wouldB．shouldC．／D．be

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

If the south had won the war, what is now the United States _____ divided into several countries.
A．will beB．might have beenC．should beD．must have been

查看答案和解析>>

同步練習(xí)冊(cè)答案