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.w

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.w
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?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.w
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.

第二题，选B是正确的，
Having checked the doors were closed,and ---all the lights were off,
这是一句话，他checked的是门被关上，和灯灭掉这两项内容，这是一个完整的从句，其中that指代的是它后面的all the lights were off。
另外两个题你再确认一下你有没有写对
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第二题，选B是正确的，
Having checked the doors were closed,and ---all the lights were off,
这是一句话，他checked的是门被关上，和灯灭掉这两项内容，这是一个完整的从句，其中that指代的是它后面的all the lights were off。
另外两个题你再确认一下你有没有写对
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第一题应该选C吧，因为后面有个but，意思是本来应该很漂亮的，不过...would仅仅是will的过去式，将要的意思。经常用it should be xx表示本来应该怎么样而事实上不是那样的意思。
第三题，what was an old city是指曾经是一座旧城的意思，它是一个从句，相当与一个名词。这句话本来是这样的：After three days ,they arrived at an old city. 强调是过去是座旧城，所以用了一个从句代替了。
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1)你的划线在哪？should是应该的意思，would是will的过去式
2）选B是正确的，
Having checked the doors were closed,and ---all the lights were off,
这是一句话，他checked的是门被关上，和灯灭掉这两项内容，这是一个完整的从句，其中that指代的是它后面的all the lights...

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1)你的划线在哪？should是应该的意思，would是will的过去式
2）选B是正确的，
Having checked the doors were closed,and ---all the lights were off,
这是一句话，他checked的是门被关上，和灯灭掉这两项内容，这是一个完整的从句，其中that指代的是它后面的all the lights were off。
句子好像有点问题

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1)你的划线在哪？should是应该的意思，would是will的过去式
2）C。在检查完房间里的门都关了后，当灯熄灭了，男孩开门去卧室。
句子好像有点问题，有没有打错？