It is very cold .Let’s make a fire ______the room warm.

—I left my keys in my office. Could you help me ___        them?—OK．I’ll do it at once．

 — Have you seen the film _____ Lost In Thailand  (泰囧) ？— Yes. It’s great fun . I couldn’t stop _____while I was watching it

Why not        an English language club to practice _____ English.

She found ____ very difficult _____ English.