问题
选择题
—When did Mr. Smith come here?
—________ nine o'clock yesterday morning. [ ]
A. At
B. For
C. On
D. With
答案
答案：A
搜题请搜索小程序“爱下问搜题”
—When did Mr. Smith come here?
—________ nine o'clock yesterday morning. [ ]
A. At
B. For
C. On
D. With
答案：A