根据首字母及汉语提示,完成下列单词的拼写,使句意通顺。
Hainan  is a  good place to go s________.
Tom and Sam are twins,but there are some d__________between them.
F_______ is quite important to everyone .We all need friends.
You should practice more to __________(提高)your English.
I am _________(口渴的)and I  world like something to drink.