问题
选择题
I would appreciate ______ back this afternoon.[ ]
A. you to call
B. your calling
C. you call
D. you are calling
答案
答案：B
搜题请搜索小程序“爱下问搜题”
I would appreciate ______ back this afternoon.[ ]
A. you to call
B. your calling
C. you call
D. you are calling
答案：B