To be on the safe side, we should fill up the tank now, because we ______ run o

To be on the safe side, we should fill up the tank now, because we ______ run o

题型:不详难度:来源:
To be on the safe side, we should fill up the tank now, because we ______ run out of gas on the way.
A.couldB.mightC.wouldD.must

答案
B
解析
to be on the safe side为慎重起见。might表示可能性推测。
举一反三
It’s unbelievable that such a small girl ____ have so much knowledge about computer.
A.couldB.wouldC.shouldD.might

题型:不详难度:| 查看答案
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

题型:不详难度:| 查看答案

John promised his doctor he ________ not smoke, and he has smoked ever since.
A.mightB.shouldC.couldD.Would.

题型:不详难度:| 查看答案
Thank you for all your hard work last week. I don’t think we _____ it without you.
A.can manageB.could have managed
C.could manageD.can have managed

题型:不详难度:| 查看答案

It is usually warm in my hometown in March, but it _____ be rather cold sometimes.
A.mustB.canC.shouldD.would

题型:不详难度:| 查看答案
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