英语：根据首字母,补全单词.
1.His father is very h______.He often makes us laugh.
2.It is sunny now,and it shines b______ .How fine the weather is!
3.I'm very blad to r______ a letter form from my studemt who has gone to Peking University.
4.She has very good s______.She can see the words on the word on the blackboard clearly.