用所给词的适当形式填空 。（5’）
Everyone has two______________（foot）.
______________ (Wear) red can help you feel happy.
We all know the______________ (important) of studying English well.
Let’s______________ (clean) up the city park.
The old man ____________(hurt) his knee last week.
I am interested in _____________( play) soccer.
Lily is a friend of ______________ (he).
Listen! Can you hear someone ____________(sing).?
Please make a______________（decide）quickly.
It’s a good way ______________ ( spend) our free time .