第一句：Could you please tell me which bus I should take to go downtown?
请问我到市商业区应该乘哪路车?
A: Could you please tell me which bus I should take to go downtown?
请问我到市商业区应该乘哪路车?
B: You can take either Bus No.406 or No. 901.
您可以乘406路或901路公交车。
第二句：Excuse me, is Bus No.6 going to South Ferry?
请问6路公交车去南码头吗?
A: Excuse me, is Bus No.6 going to South Ferry?
请问6路公交车去南码头吗?
B: Yes.
是的。
A: How much is the fare?
车票多少钱?
B: 30 cents. Just drop your money into the box.
30美分。把您的钱投入钱箱里就行了。
如果不知道乘坐哪路公交车或是不太确定某路公交车是否去某地，则可以用上面的句型来问。
相关表达法：
Which bus should I take to Beijing University?
我去北京大学该乘那趟车?
Will this bus take me straight to Beijing University?
这趟车直达北京大学吗?
Does this bus get to the museum?
这趟车去博物馆吗?
Could you tell me the best way to get to the museum?
能告诉我去博物馆的最佳路线吗?