—I wonder why Suzan looks worried today.—I’m not sure, but she ________a small a

—I wonder why Suzan looks worried today.—I’m not sure, but she ________a small a

题型:不详难度:来源:
—I wonder why Suzan looks worried today.
—I’m not sure, but she ________a small accident driving here.
A.could haveB.might haveC.might have hadD.must have had

答案
C
解析
既然是I"m not sure不确信,应该用might来表达推测,后面给出的时间状语是driving here开车来时,所以用might have had。
举一反三
Those who failed to get into the art exhibition ________ disappointed as many of the artists who should have appeared did not come.
A.didn’t need feelB.needn’t have felt
C.mustn’t have feltD.couldn’t have felt

题型:不详难度:| 查看答案
We         have bought so much food now that Tom won’t be with us for dinner.
A.may notB.needn’tC.can’tD.mustn’t

题型:不详难度:| 查看答案
– When can I get the ticket for the opening ceremony?
-- Don’t worry. You ____ get one this very afternoon.
A.wouldB.shallC.mustD.might

题型:不详难度:| 查看答案
Sorry I’m late. I ____ have turned off the alarm clock and gone back to sleep again.
A.mightB.shouldC.needD.will

题型:不详难度:| 查看答案
– James didn’t ____ last night, did he?
– No. He ____. We had changed our plan.
A.turn away; shouldn’t have come
B.turn up; needn’t have come
C.turn up; didn’t need to come
D.turn away; doesn’t need to come

题型:不详难度:| 查看答案
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