“Do” can be put in front of a verb to show emphasis. 在动词前加do表示强调。 e.g.
She does talk a lot, doesn’t she?
15. suppose: vt. believe; think; assume; imagine 认为；以为；假定；料想 e.g.
I suppose most people find that hard to believe. 我想大多数人都会觉得那难以置信。 You’re right, I suppose. 我想你是对的。
16. vacant: a. not filled or occupied; empty 空着的；未被占用的；空的 e.g.
a vacant room没人住的房间 vacant land空地
a vacant position空职
17. had too much: more than one can take, handle or endure 太过分，太糟糕，太不像话
e.g. Even so, it would be too much to say he was foolish. 即使如此，说他愚蠢也太过分了。
I give up. I’ve had too much. 我放弃。我受够了。
18. … said very politely that my name was Mark Twain and could I have — but he cut me short again:
said后面有两个宾语从句，my name was Mark Twain 和 could I have 。 从语法的角度看，第二个从句应使用间接引语if I could have。作者在这里使用直接引语could I have的目的是模仿当时说话的情形，以便和下文“但他又一次打断了我”更好地衔接起来。破折号表示尚未说出口的two tickets 19. helplessly /??????????/: ad. 无助地；茫然不知所措地 e.g.
Jenny shook her head helplessly, “It’s no use.” 詹妮无助地摇摇头说：“这没用。”
They looked helplessly at each other, not knowing what to do. 他们茫然地对视着，不知道该怎么办。
20. scene: n. happening or event that people can see 事件；场面；情景 e.g.
Taxies and buses were part of the street scene. 出租汽车和公共汽车是街景的一部分。
21. He must have heard your name well enough.: (exercise 7)
“must + have done” is a structure used for deductions about the past. must + have done 是一种用于推测过去情况的结构。 e.g.
Dad must have thrown the old newspapers away. 爸爸一定是把旧报纸都扔掉了。
The windows are open. Someone must have been in the room. 窗户都开着。肯定有人在房间里待过。 Questions about paragraph 2-5
7) Who finally invited Mark Twain into the sleeping car? The conductor
Language points in Para.2-5
22.just the