关于 than 引导的比较状语从句,我们来做个改写练习加深理解。 例: She gave me the impression of having too many teeth. They were not necessary for any practical purpose. 这两句可合并改写成: She gave me the impression of having more teeth than were necessary for any practical purpose. The woman ate far too much. It was not good for her. 这两句该如何合并改写?