Tom is going to help his friends ____ the lessone.( )A.does B.do C.doing D.is doing说明理由,

问题描述:

Tom is going to help his friends ____ the lessone.( )A.does B.do C.doing D.is doing说明理由,

B.do
说明:
Help sb.to do sth 固定搭配,帮助某人做某事,to有时候可以省略
be going to 表示将来要做某事