礼貌询问：表达疑问的最佳方式

'Excuse me, do you happen to know how long Tom will be staying in the summer camp?'
'Pardon me, but Helen is unsure about when the train will arrive in Shanghai. Do you have any information on that?'
'Could you please tell me if there is a bank near the school? Ben is curious about it.'
'Excuse me, Kevin has no idea how to get to his school from the train station. Could you provide some guidance, please?'
'Pardon me, Lucy is wondering how much she needs to pay for the course. Do you have that information?'
'Excuse me, Lily wonders what activities she can participate in during the summer camp. Could you provide some suggestions?'
'Pardon me, but Betty has no idea who would come to meet her at the train station. Is there any way to find out?'
'Excuse me, Cindy would like to know if the hotel is comfortable and clean. Can you provide any insights?'
'Could you please tell me what Jim needs to bring during the summer camp? He is wondering about that.'