I saw them ___football on the playground when I passed by.
-- Xiao Ming, ________ you have a fever?--Yes , I do.
You ________ drive your car so fast. It’s dangerous.
– What’s the matter?-- I have a ________ . I have to go to the doctor.
My little brother is so careless. He cut ________ with a knife.
My knee( 膝盖) is hurt, my mother put some medicine _______ it.