33-2.I can’t help but _____ the work for her because she’s too young to do it.A.do \x05B.did \x05C.doing \x05D.to doing

问题描述:

33-2.I can’t help but _____ the work for her because she’s too young to do it.
A.do \x05B.did \x05C.doing \x05D.to doing

A

A. can't help but do sth.

A. do
can't help but 后面都跟动词原形

选B