–Do you know the man under the tree?
--Sorry, I don’t know _______.

–How many students are there in the classroom?
--__________. They are all in the lab.

–Would you mind my using your dictionary?
--__________.

–Thanks for your help.
--_________.

——You have a beauifuln voice. I love your songs.
——    .

—Would you please help me with my drawing skills?
— _________. You can come to my studio every Saturday.

—He’s already back to Australia, _________?
— _________. He is on a visit to Shanghai.

— Excuse me, where is the bus stop?
—________________.

--Liu Xiang had to give up the race because of his foot.
--_________
A. What a shame!                B. Of course.                     C. He was so careless.

-- Shall we see the movie today or tomorrow?
--_____________ It’s all the same to me.
A. I hope so.                       B. I’m sure.                             C. It’s up to you.