—I heard they went skiing in the mountains last winter. —It       true because t

—I heard they went skiing in the mountains last winter. —It       true because t

题型:不详难度:来源:
—I heard they went skiing in the mountains last winter.
—It       true because there was little snow there.
A.may be notB.won’t beC.couldn’t beD.mustn’t be

答案
C
解析

试题分析:句意:我听说他们去年冬天去山里滑雪。--不可能是真的,因为那里很少有雪。根据because there was little snow there.可知这里是否定推测,couldn’t be“不可能是”,A. may be not可能不,B. won’t be 不会, D. mustn’t be禁止,所以选C。
举一反三
—Who bought you the fresh flower?
—It’s from my girlfriend, if you ______ know.
A.have toB.mustC.willD.might

题型:不详难度:| 查看答案
I ________ use a clock to wake me up because at six o’clock each morning the train comes by my house.
A.mustn’tB.needn’tC.shouldn’tD.couldn’t

题型:不详难度:| 查看答案
She was greatly shocked at the scene before her eyes. Never did she expect that the local conditions ______ be so awful.
A.couldB.shouldC.wouldD.might

题型:不详难度:| 查看答案
She is a quiet girl at school,but sometimes she _____ be very naughty.
A.shouldB.wouldC.willD.can

题型:不详难度:| 查看答案
---who______it be that is knocking at the door?
---It_______be Father, but I’m not sure.
A.can, mustB.can, mayC.must, canD.may, must

题型:不详难度:| 查看答案
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