问题
选择题
—What are people supposed to do when they meet ________the first time?
—They are supposed to bow. [ ]
A. on
B. at
C. for
D. to
答案
C
搜题请搜索小程序“爱下问搜题”
—What are people supposed to do when they meet ________the first time?
—They are supposed to bow. [ ]
A. on
B. at
C. for
D. to
C