按要求转换句式 快 1.Jack's car had broken down.He had to take a bus.

按要求转换句式 快
1.Jack's car had broken down.He had to take a bus.
Jack,_________,had to take a bus.（改为定语从句
2.I must have a rest.Ican't go_______ ______-.
3.There were a lot of cars on the road to London
There____a lot of _____on the road to London.
4.I kept looking for my missing watch,but I knew it was no use.
I kept looking for my missing watch_______ ______it was no use