---I’d like ______ dress. What about ____ blue one?

---Try it on.

---Did you see Mr．Smith when you were in France?

---No, when I ________ France, he had gone to China．

---Is Mary in the library, Tom?

---No. She ______ with her friends.

---Paul, why didn’t you close the windows yesterday?

---Really? I remember______ them before I left.

---         , are you Lin Tao?

--- Oh, no, I’m not.

--- Do you know _________?     

--- No, I don’t know.

---Morn, must I clean my room now?

---No, you          . You can do it tomorrow.

---Where is your cousin?

---He          an English exam now.

--- Some of my classmates don’t like math because they think it’s boring.

--- I don’t like it, _____. I think it’s too difficult.