21、Mr. White asked a lot of questions about the buses． But Sam couldn't answer them． Here is a timetable．Can you answer Mr. White's questions after you read it?

Timetable

SToP	BUSl	BUS2	BUS3	BUS4
Ferry	6︰00	6︰30	7︰00	7︰30
old Street	6︰10	6︰40	7︰10	7︰40
Park	6︰25	6︰55	7︰25	7︰55
New Street	6︰30	7︰00	7︰30	8︰00
Hotel	6︰35	7︰05	7︰35
Playground	6︰40	7︰10	7︰40	8︰10
Hospital	7︰00	7︰25	8︰00	8︰25
Market	7︰10	7︰30	8︰10	8︰35

1．There are        stops between the Ferry and the Market．

A．five                  B．six                       C．seven                D．eight

2．The bus gets to the Old Street        ．

A．every half an hour                                B．every twenty minutes

C．every ten minutes                                D．every five minutes

3．Bus Four leaves the hotel at       ．

A．seven fifty-five    B．eight o'clock       C．five past eight     D．seven o'clock

4．I work in the hospital． It takes me twenty-five minutes' walk from the stop to get there．I must reach the hospital at ten to eight．I'd better take       ．

A．the first bus              B．the second bus     C．the third bus        D．the fourth bus

5．I want to Xinhua Bookstore, which bus can I take?

A．the first bus．               B．the second bus．    C．the third bus．       D．We don't now．