Mr. White ______ at 8:30 for the meeting but he didn show up.A.should have arrivedB.sho
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
请帮忙给出正确答案和分析,谢谢!