— Mom, I feel terrible! Must I finish my homework now? — No, you ____. You can finish it tomorrow.A. needn’t B. may not C. mustn’t
of the workers in this factory is about two hundred. of the workers are working hard.
Do you know ___________________?
Don’t eat meat. If you do so, you’ll get fat.
-What’s wrong with Tom? He didn’t talk to all the afternoon.-Oh, he failed in his exam.
Colours can make us or sad.