Answer:
我的朋友；功夫，琵琶
Explanation:
Question 1:
First sentence of text says, "David 是我的朋友。“ （David is my friend.)
Question asks: "David 是谁？“ （ Who is David?)
Question 2:
In the paragraph, it says, "他喜欢中国功夫，我也喜欢。" （He likes kung fu, I do too.)
It also later says, "我喜欢中国乐器。我最喜欢的乐器是琵琶。" （I like chinese instruments. My favorite instrument is the lute.)
The question asks, “我喜欢什么？" （What do I like?)
So he likes 功夫 and 琵琶.
