A_:Mary,you didn't join us in going to the park yesterday afternoon.1 

B：I was just reading an interesting book at home.

A：An interesting book? 2 

B：It's about UFOs.

A_: Do you believe there are UFOs in space? 

B：Sure. A UFO is just like a space vehicle from other planet. 3  

A ;I've never thought about it like that before. But do you think there are aliens

on other planets? 

B; 4 And they're trying to get in touch with us now. 

A：I suppose you're right，but why do they do so?

B：Maybe they want to warn us of the environmental problems on earth.

A： 5 It's true that we should pay more attention to our environment.

B：Yes, I think so.

A.   I think there must be.

B.   Your idea is really wonderful.

C.   What were you doing at that time?

D.   What's it about?

E.    You can think our spaceship is also a UFO.

1._______ 2.________ 3.________

4._______ 5.________

(  ) 10. ―I'm reading a book about the people living on Mars.

       ——_____ I hope I can live on it one day.

A.   Wish me luck！

B.   What's worse.

C.   That sounds exciting.

D.   It's good news.

(   ) 9. ―Are you late for class again this morning?

      ―Yes.      ，I left my Chinese book at home.

A.   What's more

B.   What's worse

C.   Of course

D.   What fun

(   ) 8.—It       ten years since we     last time.

     —Yes. How time flies！ 

A. was; meet B- was; met 

C. has been;met D. is;meet

(   ) 7.——Please plant these trees at a      of twenty meters away from our house. 

     —OK. I will.

A. distance    B. diameter

C. limit    D. gravity

(   ) 6.——Why are you so sad?

     ―I've              here and there      my passport in my room, but I failed.

A. looked;at B. looked;for 

C. searched;at D. searched;for

(   ) 5. ―Can you      Lily from Lucy?

     ——Yes. Lily is a little taller than Lucy.
A. say    B. tell

C. speak    D. talk

(  ) 4.——Is this bag heavier than that one?

      ―No,it's only      that one.

A.   as heavy as three fifths

B.   as heavy as three fifth

C.   three fifths as heavy as

D.   three fifth as heavy as

(   ) 3. ―Why not go hiking todayy

       ―I prefer      at home to       out because the weather is too bad.

 A. staying;going B. stay;go 

C. to stay;go D. stay;going

(   ) 2.―Will you       come to my birthday party on Sunday?

      ——Sure. I'm glad I am invited.
A.can    B.could

C. are able to    D. be able to