单词拼写（共10小题；每小题1分，满分10分）
根据汉语提示或所给单词，用词语的正确形式填空。
Do you know the              (重要性)of learning English?
I hope you can have a good            (感觉)after the trip to Beijing next week.
Our            (政府) is trying its best to help the people in trouble.
If your get a serious              (ill),you must see a doctor.
Li Lin                （介绍）me to a Japanese friend at the party yesterday.
How can we be sure that she’s telling the          (true)?
Work harder, and you               (get) better grades in your lessons.
—Come and have some cakes． —Thanks．I ________ (have) my lunch already．
When Andy came into the room, Millie            (watch) TV.
What can you do ______________ (prevent) the water pollution？