【简介】感谢网友“雕龙文库”参与投稿，这里小编给大家分享一些，方便大家学习。
16.Dont throw waste paper on the ground, please. （保持原句意思）
You ___________ ___________ to throw waste paper on the ground.
17.Its about ten minutes walk from my home to my school. (对划线部分提问)
___________ ____________ is it from your home to your school?
18.Mary had a wonderful time with her family at Christmas.（一般疑问句）
__________ Mary __________ a wonderful time with her family at Christmas?
19.The university has achieved new progress since six years ago.（划线提问）
__________ __________ has the university achieved new progress ?
20.I dont know when we shall start the work.（简单句）
I dont know when ___________ ___________the work.
21.Tom cant speak French. Jack cant speak French, either.（句意不变）
__________ Tom __________ Jack can speak French.
22.Mike will come if you invite him（句意不变）
Mike __________ come __________ you invite him.
23. Peter often has bread for his breakfast. (改为否定句)
Peter ___________ ___________ bread for his breakfast.
24. I have already received some Christmas cards from my friends. (改为一般疑问句)
___________ you received ___________ Christmas cards from your friends yet?
25. The small boy stopped crying after he saw his mother.（保持原句意思）
The small boy ___________ stop crying ___________ he saw his mother.
26. It took me half an hour to go to the Peoples Square by underground. (对划线部分提问)
____________ ___________ did it take you to go to the Peoples Square by underground?
27. We must protect our earth well. (改为被动语态)
Our earth must ____________ ____________ by us well.
28. Mr. Lee studies Chinese in the university. (改为否定句)
Mr. Lee __________ __________ Chinese in the university.
29. The children spent fifty per cent of their savings on books. (对划线部分提问)
__________ __________ did the children spend on books?
30. The doctor saved the sick baby in the end. (改为被动语态)
The sick baby __________ __________ in the end.
31. The fish will go bad, so youd better put it in the fridge. (保持原句意思)
The fish will go bad __________ you __________ put it in the fridge.
参考答案：
16.arent allowed/ought to 17.How,far
18.Did have 19.How long 20.to start 21.Neither nor 22.won unless
23.doesnt, have 24.Have, any 25.didnt, until 26.How, long 27.be,protected
28.doesnt, study 29.How, much 30.was, saved 31.if,dont
16.Dont throw waste paper on the ground, please. （保持原句意思）
You ___________ ___________ to throw waste paper on the ground.
17.Its about ten minutes walk from my home to my school. (对划线部分提问)
___________ ____________ is it from your home to your school?
18.Mary had a wonderful time with her family at Christmas.（一般疑问句）
__________ Mary __________ a wonderful time with her family at Christmas?
19.The university has achieved new progress since six years ago.（划线提问）
__________ __________ has the university achieved new progress ?
20.I dont know when we shall start the work.（简单句）
I dont know when ___________ ___________the work.
21.Tom cant speak French. Jack cant speak French, either.（句意不变）
__________ Tom __________ Jack can speak French.
22.Mike will come if you invite him（句意不变）
Mike __________ come __________ you invite him.
23. Peter often has bread for his breakfast. (改为否定句)
Peter ___________ ___________ bread for his breakfast.
24. I have already received some Christmas cards from my friends. (改为一般疑问句)
___________ you received ___________ Christmas cards from your friends yet?
25. The small boy stopped crying after he saw his mother.（保持原句意思）
The small boy ___________ stop crying ___________ he saw his mother.
26. It took me half an hour to go to the Peoples Square by underground. (对划线部分提问)
____________ ___________ did it take you to go to the Peoples Square by underground?
27. We must protect our earth well. (改为被动语态)
Our earth must ____________ ____________ by us well.
28. Mr. Lee studies Chinese in the university. (改为否定句)
Mr. Lee __________ __________ Chinese in the university.
29. The children spent fifty per cent of their savings on books. (对划线部分提问)
__________ __________ did the children spend on books?
30. The doctor saved the sick baby in the end. (改为被动语态)
The sick baby __________ __________ in the end.
31. The fish will go bad, so youd better put it in the fridge. (保持原句意思)
The fish will go bad __________ you __________ put it in the fridge.
参考答案：
16.arent allowed/ought to 17.How,far
18.Did have 19.How long 20.to start 21.Neither nor 22.won unless
23.doesnt, have 24.Have, any 25.didnt, until 26.How, long 27.be,protected
28.doesnt, study 29.How, much 30.was, saved 31.if,dont
