单词拼写  根据首字母或汉语提示，写出下列句子中单词的完全形式。（共10小题，计10分）
Lily asked me to keep it a s________, so I’m afraid I can’t tell you.
You can’t learn a f_________ language well without enough practice.
The class is too large, we’ll have to d_________ it into eight groups.
Sandy got a lot of presents at her t____________ birthday party.
The injured people were taken to hospital i __________  after the accident.
Let me ___________(描述)how it happened.
Don’t throw the rubbish into the river. We need to protect our (环境) _____________.
“Why are you late for school again?”said his teacher (生气地) ____________.
Could you lend me your ruler? Mine is (坏了) ____________.
He was ill. The doctor asked him to take this (药)____________ twice a day.