My father had to stay in bed for a few days,because his leg was badly hurt.
问题描述：
My father had to stay in bed for a few days,because his leg was badly hurt.
前半句不动,后面是his leg _ _两个空
答
My father had to stay in bed for a few days,his leg being hurt.是独立主格做状语The old man doesn'tknow how many people are there in his hometown.帮忙改一下The old man doesn"t know_ _ _ of his hometown is.what the population