学帮网根据汉语提示,完成句子.即使是科学家也不能确定别的行星上是否有生物存在.Even scientists are not sure ____ _____ ______ living things.拯救全球变暖还为时不晚.It is never ____ _____ ____ _____the earth from thegi
来源：学生作业学帮网 编辑：学帮网 时间：2024/06/21 02:18:38
根据汉语提示,完成句子.
即使是科学家也不能确定别的行星上是否有生物存在.
Even scientists are not sure ____ _____ ______ living things.
拯救全球变暖还为时不晚.
It is never ____ _____ ____ _____the earth from thegiobal warning.
1. if/whether there are
不过,后面应该是漏掉了on other planets
2. too late to save
注：/ 表示可以任意选用其一.
第二个：It is never too late to rescue the earth from the global warming.
.... if/whether there are
too late to save