句子转换！

Can you tell me? When does the plane take off?（合并为一个句子）
Can you tell me _____ the plane ___ off?

They are to meet him at four.（对划线部分提问）
____ ___ they to meet him?

I went to bed after I finished my homework.（同义句转换）

I _____ go to bed ___ I finished my homework.
Why has Mr. Green come to China?（同义句转换）
____ has Mr. Green come to China ___?

Peter has never been to the Red Cross.（改为反意疑问句）
Peter has never been to the Red Cross, _____ ___

He had to wait until the nurse told her to go.（改为特殊疑问句）
___ _____ did he have to wait？

You’d better give the pen back as soon as you can.（同义句转换）
_____ the pen to me as soon as ______.

Thanks a lot！

句子转换！ 英语句子转换 同意转换以下句子 几道句形转换的句子 VB转换句子 30 语文句子转换 句型转换和翻译句子 英语句子转换！谢了！ seem的句子的转换 将下列句子进行语态转换