（急!）初中英语句型转换
1.This boy has visited the Great Wall already.(变为一般疑问句）
____ this boy visited the Great Wall ______.
2.David can't go to the meeting,so I will go instead.(同义句）
I will go to the meeting ___________ David.
3.I won't buy the car because it's too expensive.(同义句）
I will buy the car ________ it doesn't _________ to much.
4.The child is too young to put on clothes himself.（同义句）
_________ difficult for the child to ________ himself.
不一定每空一词