第二节：根据对话内容，从对话后得选项中选出能填入空白处的最佳答案，有两项为多余选项。
(Wang goes to Boston by train．Now he is at the inquiry office．)
Clerk：May I help you，sir?
Wang：．Yes，I’d like some information about the trains to Boston。
Clerk： 61
Wang：T0mlnorrow．I have to be there well before lunch time．
