—What are you doing, Tom?
—I am preparing         the math exam.

No one can be successful        hard work.

—I need         to write         now.
—Here you are.

I think what he said        his MP5. It was lost yesterday.

Can you bring those pens         school         me?

Please e-mail Mary        mary@yahoo.com.

根据提示填空（每空一词）
After class, I play basketball ____(和) my classmates.

Thanks         the photo         your family. I like it very much.

A set of keys        the sofa.

—How do you study English?
—I study English         talking with foreign students.