---_____ can we protect the environment in our daily lives?--- As for me, I think we are supposed to use both sides of paper and try not to use plastic bags.
— Do you know__________? — Next Friday.
The girl ______ won the first prize comes from a small village.
None of the shoes in the shops are the right size. They are _____too big ____too small.
The ______ the kids learn to look after themselves, the better it is for their future.
_____ a lot of small ads are put up on the walls, out city will be untidy.