. ---Which is _______, the sun, the earth or the moon? ---Of course, the sun.
We agreed ___________ to see a film this Saturday evening.
We are all here ____ Lily. Where is she?
Mike likes mountains and lakes. He hopes to ____ nature when he is free.
There are about ____ people in the hall.
-— He was_______ tired_______ he fell asleep as soon as he lay down. -— Oh, we can go out and let him have a good rest.