情景交际: 在空白处填入适当的句子,使对话完整。

A: Hi, Li Ming! Long time no see. Where did you go?

B: Hi, Zhang Jun. (1)________________.

A: Really? Did you have a good time there?

B: Yes. I visited Tian'anmen Square, the Great Wall, Beihai Park and many other places.

A: Sounds great! (2)________________?

B: My good friend.

A: How did you go there?

B: (3)______________. I love taking trains. It's safe and cheap.

A: (4)________________?

B: For two weeks.

A: I hope I can go to Beijing, too.

B: (5)_______________. Beijing is really a great place.

下列各凭证，只能在单位内部使用的是______。

A．自制原始凭证

B．外来原始凭证

C．专用原始凭证

D．通用原始凭证

E．一次性原始凭证