The professor at 8 o’clock,but he has not shown up yet,which worries all of us.
A. was supposed to arrive
B. must have arrived
C. might have arrived
D. was supposed arriving
网友回答
(答案→)A. was supposed to arrive
B. must have arrived
C. might have arrived
D. was supposed arriving
解析:
试题分析:考查虚拟语气。A应该到达;B肯定已经到了;C可能已经到了。根据后面句子的时态判断此处是对现在情况的推测,而B、C选项均为对过去发生事情的推测,所以排除B、C选项; D选项形式错误,故A为正确选项,句意:教授本应该8点钟到,但是他现在还没露面,这让我们非常担心。