—John, you returnthe book to the library, ________ ?

—But I returned itthe day before yesterday.

—I telephoned himtwice and I couldn’t get through to his home.

—I think that theline might have been out of order, ________ ?

--It’s six o’clock and your father is still at the office.

--I know. Who else could _______ he does?

-Where ________ the map? I can’t see it anywhere．

-I ________ it right here just now．

-Hello, I didn’t know you were in America．How long ________ here?

-About one year．

-Hi, Tracy, you look tired．

-I am tired．I ________ the windows all day．

---Would you like to go to Beijing?

---Yes．In the last five years, great changes ______ in Beijing．

-How is your grandfather?

-My grandfather ________ for two years．

-Sorry, I’m late．

-That’s OK．I ________ long．

—Where's Jack?

—I think he's still in ________ bed， but he might just be in ________ bathroom．