填入适当的词补全对话，每空一词

A: Hi, Mike. Is thisbike?

B: Ye, i's mine. My father bought itme on my birthday.

A: It looks very nice! Do you come to  by bike every day?

B: Not every day. about you?

A: I usually come on foot.

B: I sometimesto school, too.

A: That's great!