问题
选择题
He offered ________ us. [ ]
A. helping
B. to help
C. for helping
D. to help with
答案
答案：B
搜题请搜索小程序“爱下问搜题”
He offered ________ us. [ ]
A. helping
B. to help
C. for helping
D. to help with
答案：B
Required: