His math is poor,you must ________ him.A.try help B.trying to help C.try to help

问题描述:

His math is poor,you must ________ him.A.try help B.trying to help C.try to help

c

C must后面加动词原型 try to do试着做。。

C

C.
希望能帮到你,祝更上一层楼O(∩_∩)O
有不会的欢迎再继续问我(*^__^*)

C.
他的数学不好,你一定要尽力帮助他
must是情态动词,情态动词后用动词的原型所以删除B
try to do sth.是尽力做某事的意思,.