Mr. White at 8:30 for the meeting but he didn’t show up.A. should have arrived B. should

问题补充：

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. should have arrived

B. should arrive

C. should have had arrived

D. should be arriving

解析：可联系答.案.网客服索取。