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