What’s your brother? —He _______ a teacher, but now he is a doctor.

In order to find _______ better job, Tom made up his mind to learn _______ second foreign language.

Mom, may I go swimming with my friends in the river? –No, you _________. That’s too dangerous.

I gave up the piano lessons because I have so much homework to do, but it’s _______ my own wishes.[ ]

What do you usually do _____ your computer? —I usually chat _____ QQ friends online. [ ]