2.　　 I worked a long time and at last I m_______ to work out the maths problem.

1.　　 It is u______ that women can’t get the same pay as me when they do a same job.

1. humour　 2. bitter　 3. couple　 4. appreciated; Actually　 5. stage　 6. directions 7. accent　 8. Clowns 9. chalk　 10. suffering　 11. silence　 12. exists 13. applaud　 14. operate　 15. Fortunately　 16. tradition　 17. confused　 18. nationalities　 19. fluent　 20. certain

Unit 21

20.　 Mr Zhang, a c________ Ms Zhao is wanting you on the phone.

19.　 Mr Green, how can I speak f_______(流利) English？

18.　 Richard is American, John is British - they have different n_______(国籍).

17.　 I tried to work out the problem, but I was c______ by all the noise.

16.　 I had thought she was a modern girl but she followed family t______ in dress and manners.

15.　 The car almost fell into the river. F_____(幸亏), it stopped just at the edge of the broken bridge.

14.　 －Do you know how to o_______ the machine?

－Yes, my father has taught me.