to cut down trees is harmful to human beings.同义句转换 it's— —hu
to cut down trees is harmful to human beings.同义句转换 it's— —hu
同义句转换1 He is using a knife to cut potatoes.2 It's only ten m
英语同义句 To protect wildlife is important for us human beings.
It's best to plant trees in spring 同义句转换 The ___ ___ to plan
This machine was used to cut down trees in the past (改为同义句).
It's best to plant trees in spring 同义句转换 You___ ___ plant tr
Air pollution is harmful to our health.(同义句转换) Air pollution
human beings to program
同义句转换It is not necessary for you to worry about your son‘s s
it's often said that human beings are naturally equipped to
It's high time,if we human beings are to survive ,we_____(承诺
It's very important for us human beings to keep _____ balanc