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 have had arrived
D. should be arriving
答案
答案：A
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Mr. White _____ at 8:30 for the meeting, but he didn't' show up. [ ]
A. should have arrived
B. should arrive
C. should have had arrived
D. should be arriving
答案：A