Hearing the sad news ,Helen could not help ___,but her crying can not help ___the problem.
问题描述：
Hearing the sad news ,Helen could not help ___,but her crying can not help ___the problem.
A.crying ; solving
B.crying ; solve
C.to cry ; solving
D.to cry ; solve
求详解
答
B求解析cant help doing
情不自禁的干什么
help sb do/to do/with给个好评吧