单项选择题
A．In a hotel. B．In a bank. C．At a meeting. D．At a post office.
A．He leaves for school at 7. B．He’s studying in Paris. C．He’s doing very well. D．He likes his school.
A．一辆公共汽车的驾驶员与乘客的安全有关。 B．每辆公共汽车的驾驶员要保证乘客按时到达目的地。 C．公共汽车的司机对乘客的安全负有责任。 D．乘客的安全得由这个公共汽车司机负责。