根据句子意思和首字母，写出恰当的单词。
1.It's 12:00. I am very h
. I am going to eat a lot.
2.Be q
. We can't talk in the library.
3.We should arrive at school on time. Don't be l
for school.
4.The boys are very young but they are very c
.
5.I am short but my brother is very t.
