If you ______ firm action to deal with it at once, you wouldn’t suffer heavy los

If you ______ firm action to deal with it at once, you wouldn’t suffer heavy los

题型:不详难度:来源:
If you ______ firm action to deal with it at once, you wouldn’t suffer heavy losses tomorrow.
A.takeB.tookC.has takenD.had taken

答案
B
解析

试题分析:考查if的非真实条件句:句意:如果你立刻采取有力的行动解决它,明天你就不会遭受严重的损失了。主句是和将来相反,用would do表示虚拟,if条件句是和现在相反用过去时,表示虚拟,选B。
点评:虚拟语气在条件句中的用法是:虚拟条件句与现在事实相反的假设,从句是If+主语+动词的过去式(动词be用were),主句是:主语+should,would, might,could+动词原形;与过去相反的假设从句用:If+主语+had +过去分词,主句是:主语+should, would, might, could +have done;与将来相反的假设,从句用1、If+主语+动词过去式,主语+should, would  do,2、If+主语+were to+ 动词原形,加主句3、If+主语+should +动词原形,加上主句的might, could+动词原形
举一反三
—I just want to know , Please tell me , how much do you make an hour?
—If you        know, I make $ 20 an hour
A.willB.shallC.mustD.meed

题型:不详难度:| 查看答案
The teacher recommended that everyone _______ this dictionary.
A.boughtB.buyingC.buysD.buy

题型:不详难度:| 查看答案
—Mary broke up with me!
—You _____ have forgotten about the Valentine"s Day.
A.shouldn"tB.couldn"tC.needn"tD.mustn"t

题型:不详难度:| 查看答案
Teachers recommend parents_____their children under 12 to ride bicycles to school for safety.
A.not allowB.do not allow
C.mustn’t allowD.couldn’t allow

题型:不详难度:| 查看答案
If he________his legs in the last training,he________the coming World Cup,which he has been longing to compete in.
A.hadn’t hurt;would join inB.hadn’t hurt;would have taken part in
C.didn’t hurt;would go in forD.didn’t hurt;would have taken part in

题型:不详难度:| 查看答案
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