四道英语句型转换,1.What you have done does harm to the environment.W

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四道英语句型转换,
1.What you have done does harm to the environment.
What you have done _____ _____ _____/ _____ _____ _____ the environment.
2.When do you think this custom began to exist?
When do you think this custom _____ _____ _____?
3.I study hard so that I may not fail in the examination.
I study hard _____ _____ _____ _____ / _____ _____ _____ _____ fail in the examination.
4.I don't know it exactly.
I don't know it _____ _____.

1、is harmful to / cause danger to
2、start to happen
3、in order not to / in case not to
4、for sure

四道英语句型转换,1.What you have done does harm to the environment.W What harm has human beings done to the environment? Once harm is done to the environment,it takes years to have Have you done ____ to improve the environment? You have done something useful to i( ) the environment What you have done might do harm to other people.详细分析一下句子结构, 英文题___ you have done might do harm to other people.A.What B. 几道英语句型转换题句型转换,每空一词.1.Can you tell me the way to the Capital have you ever done something to protect environment? 英语句型转换we should try our best to make the environment better. Once harm ( )to the environment,it takes years to have the s 英语句型转换Have you returned the bike to him?（改为被动句）( ) the bike