(2011·全国卷Ⅰ)They have arrived at lunchtime but their flight was delayed.A. willB. canC. mus

发布时间：2020-08-17 09:34:40

(2011·全国卷Ⅰ)They     have arrived at lunchtime but their flight was delayed.
A. will
B. can
C. must
D. should

网友回答

A. will
B. can
C. must
(答案→)D. should
解析： 选D　考查情态动词。 句意： 他们本应该在午饭时间到达，但是他们的航班推迟了。 should have done表示“本应该做某事(实际却未做)”，符合句意。
以上问题属网友观点，不代表本站立场，仅供参考！