—“Crash diets” make us lose weight fast and I am all into that. —But it_______b

—“Crash diets” make us lose weight fast and I am all into that. —But it_______b

题型:不详难度:来源:
—“Crash diets” make us lose weight fast and I am all into that.
—But it_______better to work out.    
A.hadB.would beC.wouldn’t have beenD.must have been

答案
B
解析

试题分析:本题考察情态动词用法,“情态动词+have done”表示对过去情况的虚拟或者推测;wouldn’t have done本不会坐某事,实际上却做了;must have done一定做了某事;根据句意可知本题是对现在情况的推测。句意:—Crash diets 让我很快就减肥了,我很喜欢它。—但是锻炼会更好。本句使用would对现在情况进行的说明。故B正确。
举一反三
— May I smoke here?
— No, you ________. Can’t you read the sign “NO SMOKING”?
A.mustn’tB.won’tC.needn’tD.Don’t have to

题型:不详难度:| 查看答案
-- What’s wrong with your pen?
-- The ink ___________ come out.
A.can’t B.won’t C.hasn’tD.doesn’t

题型:不详难度:| 查看答案
You"d better take a heavy coat. Sometimes it ______ be very cold.
A.shouldB.canC.willD.must

题型:不详难度:| 查看答案
– I ran 10 miles last weekend. Can you believe that?
– Wow, that ______ easy!
A.mustn" t beB.mustn"t have been
C.can"t have beenD.couldn’t be

题型:不详难度:| 查看答案
— Can I pay the bill by check?
—Sorry, sir. But it is the management rule of our hotel that payment _______ be made in cash.
A.shall B.need C.will D.can

题型:不详难度:| 查看答案
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