高一英语1） -----the baby fell asleep ----the room. A.After;did t

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高一英语
1） -----the baby fell asleep ----the room.
A.After;did the mother leave
B.Not until ;did the mother leave
C.Not until ;the mother left
D.Soon after ;the mother had left
2) It was ----his mother came in ----to prepare his lessons

A.not until ;that did the boy begin
B.until ;that the boy began
C.until ;did the boy begin
D.not until ;that the boy began
要有原因的，谢谢啊！

1.B.首先这个句子明显要用过去时态,所以A中的leave不对
再者not until放在句首,后面的主谓要到装,所以C不对.
如果选择D,句子意思变成,在孩子入睡不久以后,他妈就早离开了房间.这个逻辑上不同.
综合选B.
2.D.这个牵涉到强调句型的用法.
其基本结构是：it is/was+被强调的成分+that/who/who+其他成分.
此句中的not until不能分开用.后面的that从句不要用疑问句形式.所以排除
A.B.C

17.the baby fell asleep the room.A.After；did the mother leav The mother didn't leave the room until the child fell asleep The baby was asleep the whole afternoon yesterday.A.fell asl ．句型转换（10分）小题1:The baby fell asleep when its mother came back ___ （turn）down the radio,the baby's asleep in the next room. fell asleep on the sofa Not until the child fell asleep did the mother leave the roo The baby went asleep after she drank some milk =The baby ___ The little girl habitully fell asleep clutching a battered d Be quiet.Don't wake the?baby up A asleep B sleep C slept D s __down the radie —the baby's asleep in the next room. The baby___for three hours.a.fell asleep b.has fallen asleep