fill up与be full of怎么区别The river would soon ___ with mud if not dealt with properly.A fill upB be full ofC fill in为什么?fill up 不用被动的啊?B为什么不对?

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fill up与be full of怎么区别The river would soon ___ with mud if not dealt with properly.A fill upB be full ofC fill in为什么?fill up 不用被动的啊?B为什么不对?
fill up与be full of怎么区别
The river would soon ___ with mud if not dealt with properly.
A fill up
B be full of
C fill in
为什么?fill up 不用被动的啊?B为什么不对?

fill up与be full of怎么区别The river would soon ___ with mud if not dealt with properly.A fill upB be full ofC fill in为什么?fill up 不用被动的啊?B为什么不对?
首先,空格后的介词为with,B选项的be full of后就可以直接带mud了,不用再多个介词with.所以B选项不对.C选项的fill in 也是差不多同意的道理.而对A选选项,是有一个短语的,fill up with sth.这个短语的意思为用.装满/充满.故答案为A.
PS:其实你只要多读一些国外的作品或者是短文,然后细心点.这些句子是不难的.加油.