Rather than _____on a crowded bus, healways prefers _____a bicycle.

下列各句中标点符号的使用正确的一项是(　　)

Would you mind helping me with my suitcase—.________

Could you tell me whether Bill could pass the exam next year? -Of course he can.He has become a diligent student at present,so wehim to succeed. [ ]

I am sure Cindy will be able to find the hotel. She has a pretty good ______ of direction.