1.the car cost him 20,000dollars.（同义句
he _paid___20,000dollars_____for_the car .
2.we will put off _the sports meeting _.（提问
__What___ ___will__you put off
4.i filled the bottle with milk .（同义句
the bottle _was___ _filled___of milk .
5.do you often take exercise i asked him .（合为一句
i asked him _whether/if___ he often __took__exercise .
6.his mother made him close the window .(被动
he was __made__ __to__close the window .