—Why do you look _____?
—Because my father is ill.

写出括号内所给单词的适当形式。
1. Let's be _____ (礼貌) to each other.
2. Are there any            (图书馆) in your school?
3. Please help me to get some _____ (信息) about Beijing Zoo.
4. I walk to school _____ (除了) on rainy days.

—Would you like ______ orange?  
—______ 

I feel _____, so I wear a sweater.

将下列句子变成同意句。
1. This is my pink sweater.
    This ______ sweater is ______.
2. Are these your oranges?
    Are these ______  ______?
3. Whose shoes are these?
    ______  ______ these shoes?
4. Those are our coats.
    Those coats ______  ______.
5. This is their classroom.
    This ______ is ______.
6. There are four books in my bag.
    I ______  ______  ______ in my bag.
7. Do you have any pencils?
    ______  ______ any pencils in your pencil-box?
8. Is that her bike?
    Is that bike ______?

John is very happy to have a ______ training.

I felt very tired and soon fell _____.

The Changjiang River(长江) is ______. It is 6,300 km.

Linda and Jane are in ______ classes.

The good news made us _____．We all cheered (欢呼) at that time．