You ________ worry about him. He will get well soon.A. needn’t B. can’t C. mustn’t
---Where are Bill’s jackets? ---_____________.
---What’s the name _______your dog? ---It’s Molly.
---____________ does he like science? ---Because it’s interesting.
I don’t like white,but my brother_______.
---My pen is yellow._________yours? ---It’s red.