A: Good morning. I’d like to buy a train ticket.
B: Good morning. ?
A: I’m going downtown, to the theatre.
B: Alright, you’re going to take the orange line.
A: Great! ?
B: The next train will leave in about 20 minutes.
A: Okay. ?
B: It’s $30.
A: I’ll take one. ?
B: Yes, you can take the box as long as it weighs less than 50 pounds.
A: That’s fine. There’re only several books in it.
B: You can just wait on those benches. Someone will call your train in 20 minutes.
A: ! You’re so kind.
B: You’re welcome!
It is said that a space station （build） on the moon．
How amazing！But it may take a long time，I guess．
Mary （talk） on the phone，so I just nodded to her and went away．
When night came，they put up a tent （keep） warm．
How lucky the （win） of the game show is! A five﹣day trip abroad for free!
John looks at his watch from time to time． Why is he so （ patient ）？