3．　 谢谢带我参观机器人工厂。　 ____________________________________________.

2．　 两个人在等着过马路。__________________________________________.

1．　 今天风很大是吗？ ____________________________________________？

A: It’s a nice day, isn’t it?

B: _________, it is. _________ go swimming!

A: _______, I’ll have a math test tomorrow, I have to study _______ it today. Look, Mike is coming. You can go with __________.

B: OK. See you later. (To C) Hi, Mike! You’re free, __________ you?

C: Yes, why?

B: _________ you like to go swimming in the sea?

C: Yes, I’d _________ to. __________ beach are we going to?

B: What about Sandy Beach? The sea is blue, and it’s not crowded, _________ it?

C: No, it’s never crowded. Well, let’s go!

5. –Are you a baseball f________? –No. In fact, I don’t like baseball.

4. There were too many people on the bus, it was so c____________.

3. I bought a new shirt yesterday, it c_________ me $80.

2. He said g_________ to his mother every morning when he left home.

1. It’s going to rain, don’t forget your u_________.

15. Please tell me something _____ yourself.

　　　　 A. of　　　　　　　　　　　 B. on　　　　　　　　　　　　 C. to 　　　　　　　　　　　　 D. about