问题
选择题
I don't know whether you happen _____, but I'm going to study in the U.S.A this September. [ ]
A. to be heard
B. to be hearing
C. to hear
D. to have heard
答案
答案：D
搜题请搜索小程序“爱下问搜题”
I don't know whether you happen _____, but I'm going to study in the U.S.A this September. [ ]
A. to be heard
B. to be hearing
C. to hear
D. to have heard
答案：D