问题
选择题
Are you still here? I saw you here half an hour ago. Who _____ for?[ ]
A. were you waiting
B. did you wait
C. are you waiting
D. do you wait
答案
答案：C
搜题请搜索小程序“爱下问搜题”
Are you still here? I saw you here half an hour ago. Who _____ for?[ ]
A. were you waiting
B. did you wait
C. are you waiting
D. do you wait
答案：C