—Alice, you feedthe bird today, ________ ?

—But I fed ityesterday.

—________ ?

—About half anhour.

-What’s happening in the street?

-A group ________ Green Peace are protesting against the summit．

---Do you regret paying 500 dollars for your necklace?

---No, I would gladly pay ________ for it．

---How are you         with your new classmates? 

---We often help each other.

—Are you going to the concert tonight?

—I should have told you that I won’t, ______?

— You know what? Tom wants to be a politician after graduating from college．

— Are you kidding? He will never _____ a person like that．

----Whose advice do you think I should take? 

----________.

---The light in the office is still on. 

---Oh, I forget ______.

---It cost me 30 yuan to get here. 

---Well, it was crazy of you to take a taxi        you would come by bus as well.