The physics problem is too difficult for us _____

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/10 06:08:43

The physics problem is too difficult for us _____
A.work it out
B.to work it out
C.to work out it
D.to work out
选哪个?为什么?

D.to work out
碰到这种题目时,不妨用形式主语倒着做.
用形式主语就是这样:It's too difficult for us to work out The physics problem .
这样就一目了然了.
这是个好方法.
宾语前置时看动词和动词短语是否及物,如果及物,那么就不用加代词,如果不及物就要加副词,也就是动副的形式.

The physics problem is too difficult for us _____ This physics problem is too difficult for us to A work it ou the physics problem is too difficult for us____.A work it ou 选择填空：This maths problem is too difficult for us _____. The problem is () difficult for us() The physics problem is too diffcult for us_____. The problem is too difficult for us to solve.=The problem___ This problem is too difficult for us to ____ The problem is too difficult for us to work out.(改为同义句) 1、The maths problem is too difficult for us to ( ).A、work it the problem is too difficult for us to work out中的work out为什么 The problem is too difficult for us to solve it. 这个句子里面的it 为