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各位,有几道英语题始终弄不明白,请帮帮忙.谢谢~

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/24 05:20:13
各位,有几道英语题始终弄不明白,请帮帮忙.谢谢~
41.our classroom must be made_____all the time.
A.clean B.to clean C.cleaning D.cleans
44.the students_________an english class at 10:00 yesterday morning.
A.having B.were having C.had had D.had
52.you______worry about your son. He will be well soon.
A.needn’t to B.need to C.don’t need D.don’t need to
53.the famous professor taught us________ourselves.
A.how to train B.want to train C.how train D.what train
56.please tell him to call me__________.
A.as fast as possible B.as quick as possible
C.as quickly as possible D.as soon as possible
62.you mustn’t give up studying foreign languages for even a day. This underlined part means_______.
A.stop trying to do something B.continue C.hand up D.try
请您详细告知解题原因.谢谢!
1.B,被动语态中的to要还原
2.B,有明确时间用过去进行时
3.D,needn't是情态动词否定,不加to.don't need是动词,必须加to
4.A,有宾语ourselves,所以用how不用what.(how to do sth./what to do)
5.D,一般都这么说http://zhidao.baidu.com/question/6987345.html
6.划线的应该是mustn’t give up吧,C,一定不放弃.
A是放弃(stop doing停止做某事,stop to do停止当前去做某事)