根据汉语提示、首字母提示、英文释义和句意, 写出合适的单词。
（1）、How many desks are there in your (a room where your teacher gives lessons)?
（2）、Kitty is my sister and she is very (讨人喜欢的).
（3）、Sally is very (happy) to meet her uncle in the street.
（4）、There are twenty--five in my class and we all study hard.
（5）、I have many (业余爱好) and I like reading best.
