题目内容
2. They have arrived at lunchtime but their flight was delayed.
A. will B. can C. must D. should
2. D
2. D解析:can用在疑问句和否定句中, 意为“可能”;must have done表示推测, 意为“一定做过”;should have done表示 “(k去) 本应该做而没有做”。根据语境 可知选 D. 句意:他们本应该午饭时间 到达,但他们的飞机晚点了。
练习册系列答案
相关题目