It's impossible for a child to do so much work within a short period of time,______?a) isn't it b) is it c) has it d) hasn't it为什么是a?不是有impossible吗?

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It's impossible for a child to do so much work within a short period of time,______?a) isn't it b) is it c) has it d) hasn't it为什么是a?不是有impossible吗?

It's impossible for a child to do so much work within a short period of time,______?a) isn't it b) is it c) has it d) hasn't it为什么是a?不是有impossible吗?
It's impossible for a child to do so much work within a short period of time,______?
a) isn't it b) is it c) has it d) hasn't it
为什么是a?不是有impossible吗?

It's impossible for a child to do so much work within a short period of time,______?a) isn't it b) is it c) has it d) hasn't it为什么是a?不是有impossible吗?
a) isn't it
如果是通过加否定前缀表否定的,作肯定句看:
再如:
It is unimportant,isn't it?
比较:
It is not important,is it?

首先要明白在英语中,没有双重否定或反问句这一说,只要符合事实就是“是”,不符合否定的事实就是“不是”,很简单的逻辑。
再来看这一句,意思是“让一个小孩在这么短的时间完成这么多作业时不可能的”,表达了“否定”的概念,所以就直接用否定句式就行了,选A
希望你明白了,望及时采纳,谢谢~~~...

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首先要明白在英语中,没有双重否定或反问句这一说,只要符合事实就是“是”,不符合否定的事实就是“不是”,很简单的逻辑。
再来看这一句,意思是“让一个小孩在这么短的时间完成这么多作业时不可能的”,表达了“否定”的概念,所以就直接用否定句式就行了,选A
希望你明白了,望及时采纳,谢谢~~~

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