题目内容：

My friend David is a doctor. He likes his work very much and he is 1.(friend) to everyone. Every day he works hard and saves a lot of people’s 2.(生命). He also likes singing songs. He often listens to music in his free time, because he wants to be a m3.. I really hope my friend can make his dream come t4.. Now, it’s seven o’clock, He 5.(切) vegetables into pieces to make dinner. I like my friend.