—I’m tired out these days.--Well, you’d better keep a _____ between work and play.
.Keep doing it, and you ______healthy.
—What is special about your father? ---His dishes are ______in the world.
—Can you tell me some countries______a long history? ---Of course. There are a lot of countries, _______China, India and so on.
It ______me two hours______to the top of the mountain.
– Our teacher often tells us ____and make our class full of ______.-That sounds great.