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科目： 來(lái)源：不詳 題型：單選題

------- What is the price of petrol these days
-------Oh, it ______ sharply since last month.
A．is raisedB．has risenC．has arisenD．is increased

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科目： 來(lái)源：不詳 題型：單選題

When he  _______ the door, he found his keys were nowhere.            
A．would open B．opened C．had opened D．was to open

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科目： 來(lái)源：不詳 題型：單選題

If you ________ Beijing Duck，I'd like to treat you to a meal at a famous duck restaurant．
A．didn't tryB．don't tryC．haven't triedD．hadn't tried

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科目： 來(lái)源：不詳 題型：單選題


They said that they ______ a wonderful time in Beijing and they hoped to be there again.
A．hadB．would have
C．would have hadD．could have

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科目： 來(lái)源：不詳 題型：單選題


.--- Haven't I told you that I like the beef well done?
---Yes, but I _____ it longer than I usually do.
A．was cookingB．will cookC．cookedD．had cooked

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科目： 來(lái)源：不詳 題型：單選題

Although the causes of cancer_____, we do not yet have any practical way to prevent it.
A．a(chǎn)re being uncoveredB．have been uncoveringC．a(chǎn)re uncoveringD．have uncovered

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科目： 來(lái)源：不詳 題型：單選題

—I’ve got to go now.
—Must you ?I ______you could stay for dinner with us.
A．thinkB．thought
C．have thoughtD．a(chǎn)m thinking

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科目： 來(lái)源：不詳 題型：單選題

——— Ring me at six tomorrow morning， will you?
——— Why that early?  I ______ .
A．will be sleepingB．have sleptC．have been sleepingD．will sleep

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科目： 來(lái)源：不詳 題型：單選題


—He _______ to the meeting. Have you informed him of it?
—Sorry. I ________to.
A．hasn’t come; am going
B．didn’t come; have forgotten
C．hasn’t come; forgot
D．doesn’t come; will have

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科目： 來(lái)源：不詳 題型：單選題


Jane was disappointed that most of the guests   ______when she _______ at the party.
A．left; had arrivedB．left; arrived
C．had left; had arrivedD．had left; arrived

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