I can’t stop smoking, doctor.— For your health, I’m afraid you ______.
______ of the workers in the computer factory is about two thousand, and ______ of them are women workers.
How old is your son? — Five.—We will have a special party for his birthday .
Can I walk across the road now, mum?——No, you_______. You have to wait until the light turns green.
We can’t see the moon ______ the night.[ ]