根据句意和首字母填空。

1.  Lisa is an o________ girl.

2.  Liu Ying is Liu Li's t________sister.

3.  The girl is very c________  .  Her friends like her very much.

4.  I like w_________flowers.  They are very beautiful.

5.  Mr Zhu is a s________ teacher.  The students are afraid of him.