He tries to spend as much time as he can ____ Chinese well. A to study B studies C. studying D. study
____________ I will have a chance to visit Beijing this summer holiday. I’m so excited.
Don’t spend __________ time playing computer games . It’s bad for your eyes.
Is there _____________ in today’s newspaper?
If we ________ careful, fire can be dangerous.
Miss Li came into the classroom ____ a smile _______ her face.