Many people try to use less paper in their life,为什么不是lives?

Many people try to use less paper in their life,为什么不是lives? in people's daily life,为什么不是lives 关于life这个单词They have too many problems in their lives 正确吗 不是说 Many people lost their lives in the World War Two.为什么去掉the Many people l___ their lives in the traffic accidents every Many people lost their lives in the accident,_____(include) in their lives还是in their life many people travel to celebrate special days in their life 翻 Many people want to be successful in their life,but they hav Many people lost their ____ ( life ) in the traffic accident Many old people try their best not to be ___(depend)on their 英语 根据首字母填空Many people (l ) their lives in the earthquake in