1、If the little boy had been given the best medical care, he ________.
A.could not die
B.have not died
C.would not die
D.would not have died
2、You must be joking, ______ you?
A.be not
B.must
C.mustn’t
D.aren’t
3、________ mothers couldn’t go to the meeting, because they have gone to Shanghai.
A.Mary and Peter’s
B.Mary and Peter
C.Mary’s and Peter
D.Mary’s and Peter’s
4、Bob never does his homework ________ Mary. He makes lots of mistakes.
A.so careful as
B.as carefully as
C.carefully as
D.as careful as
答案解析:
1.【答案】D。解析:考查虚拟语气。句意:如果这个孩子得到最好的医疗照顾,他就不会死了。if引导的非真实条件句,要用虚拟语气。从句用了had done,表示与过去事实相反,主句要用would/ should/ might/ could+have done。故选D。
2.【答案】D。解析:考查动词时态。句意:你一定在开玩笑,不是吗?must表推测“一定”时,反义疑问句根据推测的情况确定,故选D。
3.【答案】D。解析:考查名词所有格。句意:玛丽和彼得的妈妈不能参加这个会议,因为她们去上海了。由句中的mothers推断出是两个人各自的妈妈,而选项A指的是俩人共同的妈妈。如表示各自所有,则需在各个名词mother后加’s,故选D。
4.【答案】B。解析:考查同级比较和副词基本用法。句意:鲍勃不如玛丽做作业认真。他经常犯很多错误。因为该词修饰的是动词“做家庭作业”,所以要用副词。as + adj/ adv 原级 + as 和……一样;not + as/so + adj/adv 原级 + as 和……不一样/不如……那样。故选B。
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