these old inventions have changed our live中的live是用life么?

these old inventions have changed our live中的live是用life么? Many inventions have made our life ____ Mary inventions have made our life _____. ____happy life the old live! computers have changed our life These objects have often changed the way we live.Some help u life是可数名词应该写our life还是our lives?Our life have changed a lot have a good life是否等于live a good live I had to life（live） with my parents 中间是用life还是live? People will live to be 200 years old 中的live ___ a happy life in China.A.The old man live B.The old live we live—— now because we have changed the way we live A.long