Peter found this book was very___.He became___in it

D. interesting a. 有趣的。修饰事物
intersested. a. 感兴趣的。修饰人的感受！

D
interesting
adj.
有趣味的, 引起好奇(或注意)的
interested
adj.感兴趣的, 有成见的, 有权益的

d
ing使人感兴趣
ed 某人自己感兴趣

be interested in 对。。。感兴趣(词组)

D Something is interesting .
Somebody is interested in something.

D.interesting,interested ing 修饰物 ed 修饰人

B