Mr. Smith works in a hospital．The hospital is near the bus stop，only 3 minutes' walk．Every day Mr. Smith goes to work by bus．This is the bus timetable（时间表）．

根据时刻表，选择正确的答案。

1．How many stops are there from Bank to Blue Bridge?

A．Two．                B．Three．               C．Four．                   D．Five

2．How often does the bus get to the Market?

    A．Every an hour．                                      B．Every half an hour．

C．Every twenty minutes．                              D．We don' t know．

3．Which bus can get to the Library at seven twenty-five?

A．Bus 1．               B．Bus 2．               C．Bus 3．                  D．Bus 4．

4．What time does Bus 4 get to the Post Office?

A．Six thirty—five．                                    B．Seven five．

C．Seven thirty—five．                                  D．No answer．

5．If Mr. Smith must get to the hospital at eight o'clock，which bus should he take?

A．Bus l．                B．Bus 2．               C．Bus 3．               D．Bus 4．