七年级英语练习请说明理由!答得具体才能得分.
1ThebossaskedTomtodoalotofwork.Sohe______latetonight.
A.needstoworkB.needtoworkc.neededtoworksD.needworks
2.Ittakeslesstime____byairthanbytrain.
A.traveledB.totravelC.travelingD.traveler
3.ItwasfirsttimeforBettytotakeaplane,sait'san___(excited)trip.(用所给的词的正确形式填空)