求__she took a walk in the park,she found very strange thing. A.since B.until C.as D.while为什么选C不选D as和while表示当.时候 有什么区别?

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求__she took a walk in the park,she found very strange thing. A.since B.until C.as D.while为什么选C不选D as和while表示当.时候 有什么区别?

求__she took a walk in the park,she found very strange thing. A.since B.until C.as D.while为什么选C不选D as和while表示当.时候 有什么区别?
求__she took a walk in the park,she found very strange thing. A.since B.until C.as D.while
为什么选C不选D as和while表示当.时候 有什么区别?

求__she took a walk in the park,she found very strange thing. A.since B.until C.as D.while为什么选C不选D as和while表示当.时候 有什么区别?
1.A.(it在这里做形式宾语.考试只会考这种情况(初中).)
2.A.这里的one指代了前面的a big cake.
如果选B的话那后面那句应该是:Can you give it to me.
C不选因为表数量时another是与one搭配的,即:one...another...
D.any是一些(前面说的是a big cake,一个).并且只用于否定句中.
3.A.Yes,he did.有一个口则:肯定句(即Andy stole Mary's sheep)
肯定回答,否定反对.(他偷了,Yes he did;他没偷,No he didn't.)
若题目是:Andy didn't steal Mary's sheep,did he?回答则是:No he didn't.
分析如下:否定句(Andy didn't steal Mary's sheep)
否定回答,肯定反对.(他偷了,No,he didn't;他没偷:Yes,he did)
这个口则很有用.做题的时候很方便:
总结,即:肯定句,肯定回答,否定反对
否定句,否定回答,肯定反对.
.

你看参考资料里面的第三条

while引导从句时动词为持续性的。

while一般跟进行时吧