问题
选择题
It is grateful for the girl ____ with her heavy luggage. [ ]
A. to help
B. to be helping
C. to be helped
D. be helping
答案
答案：C
搜题请搜索小程序“爱下问搜题”
It is grateful for the girl ____ with her heavy luggage. [ ]
A. to help
B. to be helping
C. to be helped
D. be helping
答案：C