问题
选择题
— Would you drop in ______ us tomorrow evening for a chat?
— Yes, I'd like to. [ ]
A. at
B. by
C. to
D. on
答案
答案:D
— Would you drop in ______ us tomorrow evening for a chat?
— Yes, I'd like to. [ ]
A. at
B. by
C. to
D. on
答案:D