what is the boy running for?To ____the dog

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what is the boy running for?To ____the dog
A：go B：come C:catch D：make
还有,其实我does和is分不清楚.比如这道题：___tiger from Asia?___tiger come from Asia?

首先题目选的是【C】
【catch】是及物动词,其余的go和come不是及物,所以后面不能直接跟名词,而make在这里意思不符合,因此选【catch】
【catch the dog】意思是【抓那只狗】
解决你第二个问题：
通常【does】用在有动词的句子中,而is就用在没有动词的句子
比如你的第一句
___tiger from Asia?
这里没有动词,所以用is,况且有一个词组是【be from】=【come from】来自
第二句___tiger come from Asia?
中有一个动词【come】,所以用了【does】
祝学业进步!

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