问题
选择题
(2011·全国卷Ⅰ)They ________have arrived at lunchtime but their flight was delayed.
A.will
B.can
C.must
D.should
答案
答案:D
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。
(2011·全国卷Ⅰ)They ________have arrived at lunchtime but their flight was delayed.
A.will
B.can
C.must
D.should
答案:D
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。