Maths,one of the most important subjects,____ always interested him.
问题描述：
Maths,one of the most important subjects,____ always interested him.
A has B.have C.are D.is
答
D
one of the most important subjects是插入语 主句是Maths is always interested himis interested 是啥用法啊？ interested 这里是什么词？interested是动词interest的过去分词 当作形容词使用，意思与interesting类似区别在于interesting是“{某物）是有趣的”interested是“令人感兴趣的”类似的词语还有boring 和 bored