you look younger than before该句中的"than before"在句中做什么成分?修饰谁的?
问题描述：
you look younger than before该句中的"than before"在句中做什么成分?修饰谁的?
答
补语吧
答
做补足语，修饰younger
答
than before 中than是介词,作younger的补语