问题标题：
外语语法3题1.Thelecture____,helefthisseatsoquietlythatnoonecomplainedthathisleavingdisturbedthespeaker.A.beganB.havingbegunC.beginningD.beingbeginning2.____inthought,healmostranintothecarinfrontofhim.A.LosingB.H
问题描述：
外语语法3题
1.Thelecture____,helefthisseatsoquietlythatnoonecomplainedthathisleavingdisturbedthespeaker.
A.beganB.havingbegunC.beginningD.beingbeginning
2.____inthought,healmostranintothecarinfrontofhim.
A.LosingB.HavinglostC.LostD.Tolost
3.Thepilotaskedallthepassengersonboardtoremain____astheplanewasmakingalanding.
A.seatB.seatingC.seatedD.tobeseating
刘宏安回答：
B这里是独立主格,首先,后面肯定用ing形式,所以A错误因为要强调先后顺序,所以是讲座先开始,然后,他再出去,用时态来体现先后顺序还有,这里无需被动C因为lose是一个及物动词,如果后面没有宾语,必须用被动这里的lost的主...
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