问题
选择题
The ice was too thin for them ______. [ ]
A. to skate on it
B. skating on it
C. to skate on
D. skating on
答案
答案：C
搜题请搜索小程序“爱下问搜题”
The ice was too thin for them ______. [ ]
A. to skate on it
B. skating on it
C. to skate on
D. skating on
答案：C