Bob and his father have a talk at home. Bob says, “Father, I took part in（参加）a race at school and I ran（跑）faster（更快）than anyone but Tom. I was the second fastest（最快）.”

　　“Oh, good guy!” says his father. “I'11 give you a nice present -- a new bicycle. But how many students were in the race?”

　　“Two, Tom and me,” Bob answers.

(1) Bob took part in a ________ yesterday.

They were walking fast,　but we were walking faster.(合并为一句)

　　They were walking　__________ __________　than us.

The bus goes fast. The car goes faster. (合成一个句子)

The bus goes________ ________ than the car.

The bus goes fast. The car goes faster. (合成一个句子)

The bus goes________ ________ than the car.