题目内容
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
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题目内容
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