How can we preserve our Earth for generations to come?( )
A.It is beyond our capabilities. B.We must work toward small changes. C.We must wait until we have graduated from school. D.We need to receive training to do this.正确答案B
How can we preserve our Earth for generations to come?( )
A.It is beyond our capabilities. B.We must work toward small changes. C.We must wait until we have graduated from school. D.We need to receive training to do this.正确答案B
