145.
M: Excuse me. I have a ticket for the 6 o'clock flight to New York. But I'm afraid I can't make it. Is there a seat available for tomorrow morning?
W: Let me see. I'm sorry. All the morning flights have been booked. The earliest we can get for you is the two o'clock flight in the afternoon.
答案解析：
正確答案為A。根據I have a ticket for the 6 o'clock flight to New York. But I'm afraid I can't make it. 我訂了6點飛紐約的航班，可是我去不了了。可知，男子不能按原定計劃前往紐約，因此A項正確。

146.
W: I don't seem to be able to solve this problem. I'm following all the steps, but it doesn't work. I can't figure it out.
M: Let me show you. That one gave me a lot of trouble too.
答案解析：
正確答案為C。根據Let me show you.讓我演示給你看。可知，男子將為女子演出解題步驟，因此C項正確。