Our family ( )have a hard life. 选择：A.couldn't B.could C.must

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Our family ( )have a hard life. 选择：A.couldn't B.could C.must't D.must
选择. 然后翻译成中文
咋没一个一样的？？？

首先排除must以及must not.因为must表示必须,是人的意志愿望.主语是our family,must不符要求.如果表示猜测,must后面要接完成时态,所以cd都错.
couldn't表示没有能力做到,如I COULD NOT SWIM是我不知道如何游泳.OUR FAMILY COULDN'T HAVE A HARD LIFE不符合生活逻辑.
所以答案选择B,是对某件事进行假设的虚拟表达.
意思是
（如果XX）,我们家庭有可能会过苦日子.

Our family ( )have a hard life. 选择：A.couldn't B.could C.must a may have b needn't have c couldn't have d must have i ___come yesterday,but i couldn't A.was to have B.must C.ou there must have been a storm there.__.a there couldn't be b. I ____come yesterday, but I couldn’t. A. was to have B. must It woule be_____to have a happy family. A.great B.hard C.sca A.must be B.may have been C.can have been D.could be ,为什么呢, our family have a lovely dog()Jonny A call.b.to call c.calle you work hard next time,mustn't you A.must B.can C.should I don't think you __work so hard.A may B must C had better D We both s.hard because we h.our family can live a happy life 英语翻译A couldn't die B would have died C died D had died