i am12 years old amy is15 years old 合成一句 i am什么什么younger tha

i am12 years old amy is15 years old 合成一句I am 【three years 】younger than Amy。百度教育团队【鹰击长空团】为您解答不明白的再问哟,请及时采纳,多谢! 再问： 4。he isn't a kind man ，i think合成一句i什么什么he 什么a kind man 。5。i usually relax in my swimming pool in my swimming pool 对此提问什么什么you usuallyrelax 再答： 4。 I don't think he is a kind man。 5。 Where do you usually relax ?