高三英语单选题C22．There's no light on in the dormitory．They must ha

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高三英语单选题
C22．There's no light on in the dormitory．They must have gone to attend the concert to be held on the campus,______
A．didn’t they?B．mustn't they?
C．haven’t they D．shouldn't they?
B26．– Why are you so anxious?
-- Many times as I have tried,the MP3 I bought yesterday ______work．What’s wrong with it?
A．doesn’t B．won’t C．might not D．couldn’t
B30．-- I haven’t got the reference book yet,but I’ll have a test on the subject next month．
--Don’t worry．You______ have it by Friday.
A．could B．shall C．must D．may
D31．One of the few things you ____ say about English people with certainty is that they talk a lot about the weather．
A．need B．must C．should D．can
D32．__________tomorrow,our ship will set sail for Macao．
A．However the weather is like B．However is the weather like
C．Whatever is the weather like D．Whatever the weather is like
我的答案是AADBA 正确答案在题号前面?我不懂为什么我选的不对?答案为什么那样选?

c22是 c
must have done 表示对于过去的肯定猜测,表达过去含义,助动词用have
b26 b
这个固定用法
机器、工具不能使用必须要用won‘t
30 是选择 b
may的话太过于随意,她说下个月考试,现在还没有辅导书,那么是很着急的,后面一个人的回答应该是你现在不要急,你周五时候要把书拿到.
shall的话又应该的含义,may的话表示周五拿不拿都没什么关系,但是其实事情还是有点紧急的.所以shall更合适
d31 d
need 在情态动词时一般用于否定,不用在肯定句中.need作为实意动词要加to
must 表示必须.作为情态动词用在各个人称都可以
should表示应该,侧重于规章制度中规定的内容
can表示能力,“可以”的意思
但是这里,句子的含义是“有一件事你可以肯定,那就是英国人会常常说天气”
表达的是“可以”的含义,别的词表达都不对.
d32 选择d
这个句子很容易做的
首先要到装.其次,ever可以不看
问天气我们都是问 what is the weather like
所以选择whateve

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