1. 选词填空

stand for    take part in     as well     join in     between…and…     admit sb. to be as a matter of fact       as well as      replace…with…     on the basis of

1. （1） Are you going to the first experiment?
3. （2） People usually eat mooncakes which a happy reunion.
5. （3） I write my own songs and I play the guitar .
7. （4） Children must attend school Monday Friday.
9. （5） Can I your discussion?
11. （6） , I've never been there.
13. （7） We judge a worker his performance.
15. （8） We all her smart.
17. （9） She was clever beautiful.
19. （10） We've the old adding machine a computer.