问题
选择题
Mr White____at 8:30 for the meeting, but hedidn't show up. [ ]
A. should have arrived
B. should arrive
C. should have had arrived
D. should be arriving
答案
答案:A
Mr White____at 8:30 for the meeting, but hedidn't show up. [ ]
A. should have arrived
B. should arrive
C. should have had arrived
D. should be arriving
答案:A