8.　　　 Do you know ___________ moon goes round ____________ earth.?

7.　　　 January is ________ first month of __________ year.

6.　　　 _________ Great Wall is __________ longest wall in _________ world.

5.　　　 Is Bill Gates __________ scientist or __________ engineer?

4.　　　 __________ coat on the chair is Lucy’s.

3.　　　 Twain told __________ funniest stories. All ________ people laughed except ________ old man.

2.　　　 “My friend is ________ strange man. But he likes to lie on ________ floor under _______ seat when he travels on ________ train.” Smiled Mark Twain.

1.　　　 Mark Twain was _________ American writer. He is also ________ famous speaker.

16. give a lecture (talk, concert, party…)

语法专练：用冠词填空

15. have enough … to do sth.

　 eg. We have enough time to finish the job.