选择适当的词语(词语可以重复使用)，完成对话，然后和你的朋友们一起练习这个对话．

I, you, can, clean, doctor, I'm, your, can't, do, party, me, they, has, go, to, my, their, have to, work

Bob is depressed(沮丧). He's having a party today, but his friends l to his party.

A： 2 you go to Bob's party?

B：No, 3 . I have to 4 .

A：Can you 5 to Bob's party?

C：No, we can't. We 6 our house.

A：Well, 7 children 8 to Bob's party?

C：No, 9 . They have to 10 11 homework.

A：Can you go to Bob's 12 ?

D：Yes, I 13 .

C：No, 14 can't. You 15 to the dentist.

D：That's right. I 16 .

A：Can Mike 17 Bob's party?

B：No, he can't. He 18 go 19 the 20 .

A：Bob.

E：Yes?

A： 21 sorry, Bob. Your friends 22 come to your party. They all have things they 23 .

E：Oh, well, 24 come to 25 party?

A： 26 ? Oh, no. I'm afraid 27 . I 28 stay here and 29 . Sorry.

E：That's okay. 30 understand.