问题
选择题
Mr White ________ at 8:30 for the meeting, but he didn’t show up. [ ]
A. should have arrived
B. should arrive
C. should be arriving
D. arrived
答案
答案:A
Mr White ________ at 8:30 for the meeting, but he didn’t show up. [ ]
A. should have arrived
B. should arrive
C. should be arriving
D. arrived
答案:A