经纬演练1.(2011新课标全国高考)They________havearrivedatlunchtimebuttheirflightwasdelayed.A.willB.canC.mustD.should[解析]考查情态动词。语意:他们本应该在午饭时间到达,但是他们的航班被推迟了。shouldhavedone表示“本应该做某事(实际却未做)”,符合语意。[答案]D2.(2011陕西高考)—Willyoureadmeastory,Mummy?—OK.You________haveoneifyougotobedassoonaspossible.A.mightB.mustC.couldD.shall[解析]考...