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1,HOW'S your tour around the north lake?Is it beautiful?

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1,HOW'S your tour around the north lake?Is it beautiful?
A.will B.would C .should D.must
这个题目选择b和 c有什么区别?
Having checked the doors were closed,and ---all the lights were off,the boy opened the door to his bedroom.
A,why B.that C.when D.where
这个题目答案为什么选b,整个句型结构看不懂.
After three days ,they arrived at what wa an old city.
这个句型帮忙分析下.
HOW'S your tour around the north lake?Is it beautiful?
It ____ be!but.....
A.will B.would C .should D.must
After three days ,they arrived at what was an old city.
这个句型帮忙分析下。
1,HOW'S your tour around the north lake?Is it beautiful?
1.C
IT SHOULD BE 有本来应该怎么样(其实没有)
表示以现在为时间点对过去的猜测,结果往往是否定的和should have done是一样的用法.
WOULD表示过去将来,以过去的时间点对将来的猜测,不知道结果好坏.这题的话应该说At that time,I thought it would be
2.答案是B.考点为名词性从句.下面的解释是网上搜的,很能说明问题.
“all the lights were off ”是可以单独成句、 正常语序的陈述句,但是由于之后的“the boy opened the door to his bedroom”已经构成整个句子中的主句、 其前面的所有成分为主句的状语,因此下划线处应引导一个名词性从句充当前面checked的宾语.本题选择that引导名词性从句是因为why、 when、 where引导名词性从句时需要在从句中充当状语,而that引导名词性从句时不充当从句中的特定成分.
3.After three days ,they arrived at what was an old city.
what was an old city名词性从句,和楼上的意见稍有点不一样.这里强调的是一个古老的城市.但是不是说曾经是一个古老的城市.不然就应该说what once was an old city
因为前面有了arrived就是过去式,后面was是为了时态统一.也就是当他们到达的时候,那个城市还是个古老的城市.