英语翻译
1.Thanks to the satellites,we can learn more about the earth.(同义句改写)
We can learn more about the earth ________ the ________ of the satellites.
2.过去在我家房子后面的树上有好多鸟.
There ________ ________ ________ a lot of birds ________ the trees behind my house.
3.随着人口的增长,会出现越来越多的问题.
________ the population ________,more and more problems will ________ ________.
4.事实上,我不需要把我的全部海报贴在墙上.
________ ________,I don't ________ ________ ________ ________ all my posters on the wall.