从方框中选择适当的单词填空。注意单词形式。

Students should be _____ to play with friends together at the weekend.
He didn’t _____ the math test because he was ill in hospital.
－Students should come to school on time.
－I _____. They shouldn’t get to school late.
Mr. Green is always _____ with his son.
You won’t _____ the exam unless you work hard.
Teenagers should be allowed _____ the clothes they like.
She refused their help and she _____ to do it herself.
When the machine is in the operation, _____away from it.
Could you get my bike _____?
I _____talking back to my mother yesterday.