6._____ entering the classroom,he found his students all talking and laughing loudly.a.to b.forc.asd.on7._____ charcoal and sulphur,potassium nitrate forms an explosive mixture.a.to combineb.the combination ofc.when combined withd.combining

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6._____ entering the classroom,he found his students all talking and laughing loudly.a.to b.forc.asd.on7._____ charcoal and sulphur,potassium nitrate forms an explosive mixture.a.to combineb.the combination ofc.when combined withd.combining

6._____ entering the classroom,he found his students all talking and laughing loudly.a.to b.forc.asd.on7._____ charcoal and sulphur,potassium nitrate forms an explosive mixture.a.to combineb.the combination ofc.when combined withd.combining
6._____ entering the classroom,he found his students all talking and laughing loudly.
a.to
b.for
c.as
d.on
7._____ charcoal and sulphur,potassium nitrate forms an explosive mixture.
a.to combine
b.the combination of
c.when combined with
d.combining

6._____ entering the classroom,he found his students all talking and laughing loudly.a.to b.forc.asd.on7._____ charcoal and sulphur,potassium nitrate forms an explosive mixture.a.to combineb.the combination ofc.when combined withd.combining
6.c
7.d

关于过去分词 ______the room,the nurse found the tape-recorder _____.A.Entering,stealingB.Entering,goneC.To have entered,being stolenD.Having entered,to be stolenB 为什么? 6._____ entering the classroom,he found his students all talking and laughing loudly.a.to b.forc.asd.on7._____ charcoal and sulphur,potassium nitrate forms an explosive mixture.a.to combineb.the combination ofc.when combined withd.combining The students were surprised by the sudden _____ of the teacher.A.entering B.entry C.enterance D.coming Are entering into the blue We should k____at the door before entering. 53.Each man and woman must sign _____ full names before entering the examination room.A) his B) her C) their D) one's为什么? -----the room,I found the computer-------. A.Entering,stealing B.entering,stolen答案是B,为什么 动名词问题： watched the people _____ the theatre, _____ a total of 547.答案是entering,counting请问第一个为什么要用ing形式,第二个是不是做状语,是的话是什么状语? The audience_ still entering the hallis or are? 英语翻译On entering the room,we saw no one. 英语改错 “Please knock the door before entering.” Please excuse my entering the room without a （ ）the room,a letter was found on the ground.A.Entering B.Having entered C.Entered D.He entering Soory!I did not notice you entering the room because I _____ a phone call.answeredhas answered was answering has been answering还有didn’t写成did not有错吗？干嘛不选has been answering？ 1.The nurses in the hospital are very kind.they are p______ to all the atients2.Before entering this school,everyone should do a physical e________3.On one hand we must study hard,_____ ______ ______ _____,we should also prepare for the graduation ce （ ）the room,a letter was found on the ground.A.Entering B.Having entered C.Entered D.Mr Green entering which was the most unusual car entering for the race此句中的entering 为什么不是enter,为什么要加ing? 翻译He never lose sight of his lifelong dream of entering the Tsinghua universityHe never lose sight of his lifelong dream of entering the Tsinghua university翻译