Could you help me with the math problem?Sorry,it's hard for me ,too.Ask Jim,he ( ).

问题描述:

Could you help me with the math problem?Sorry,it's hard for me ,too.Ask Jim,he ( ).
A.may know B.may be know 答案为什么选A

may是情态动词,后面接动词原形.be动词不能和动词原形连用.be动词若连着一个动词,这个动词得是过去分词或者是动词ing形式,分别表示被动和正在进行(或者将要进行).