They        have arrived at lunchtime, but their flight was delayed.
A．willB．canC．mustD．should
D
考查虛擬語(yǔ)氣。根據(jù)后一句their flight was delayed.可知這是對(duì)過(guò)去情況進(jìn)行假設(shè)。Must have done一定做了某事（表示推測(cè)）；should have done本應(yīng)該做某事實(shí)際上卻沒(méi)有做。句意：他們本應(yīng)該在午飯到，但是他們的航班延誤了！
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

To qualify yourself for this kind of new job, I recommend that you _____ some online courses.
A．to takeB．takingC．takeD．would take

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 firefighters ________ in time, the fire would have resulted in many deaths in the hotel.
A．wouldn’t have arrivedB．hadn’t arrived
C．didn’t arriveD．shouldn’t arrive

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

________ his overdrinking, the accident would not have happened.
A．If it weren’t forB．But for
C．Not had it been forD．Had it not been 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

How ___Mike have refused such a good opportunity to go abroad for further study?
A．needB．mustC．canD．might

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

--- Is there a bus to the downtown?
-----There ____ be, for it is too late now. You’d better take a taxi.
A．won’tB．mustn’tC．can’tD．needn’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

—Sorry indeed. I______ to your birthday party if …
—Forget it. I know  you were out on business.
A．must come
B．would come
C．must have come
D．would have come

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

----I don’t really like James. Why did you invite him?
-----Don’t worry. He________ come. He said he wasn’t certain what his plans were.
A．must notB．need notC．would notD．might not

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

The ground is all wet. It _________ last night.
A．can’t have rainedB．may have rainedC．can have rainedD．must have rained

查看答案和解析>>

同步練習(xí)冊(cè)答案