请问以下两句话有否语法错误?(1) it's a height of 20 feet's tree.(2)Novels
2个回答

(1)不通.如果这样表达,it 指的是height,这并不是这句的本意吧.常用表达是it's a tree of …,or,it's a 20-foot-high tree

(2)be used to doing ,是习惯于的意思,但本句中并不是这个搭配,而是另外一个used to to,这个搭配是过去常常的意思.