We can see __sun in the day, and we can see ___many stars at night.
You will achieve nothing you work hard.
I met a good friend of mine while I on the street.
---You have found your lost umbrella, haven’t you?----Yes.I it behind the door this afternoon.
----What do you think of Tom’s speaking?----No one does in our class.
We didn’t go home the old man was sent to the hospital.