你能根据汉语提示或句意,写出句中所缺单词吗? (5分)

1.How many            (图书馆) are there in your school?

2.I feel cold. Please          the window.         

3.           (动物) are our friends. We should love them.

4.We should be            (礼貌) to the old.

5.We call uncle’s father             .