问题
选择题
The trouble you have _____us is great.
A．help
B．to help
C．helping
D．helps
答案
答案：C
略
搜题请搜索小程序“爱下问搜题”
The trouble you have _____us is great.
A．help
B．to help
C．helping
D．helps
答案：C
略