1.We have planted 10000 trees.2.I have thought he loves his job.3.Three days ago,they moved into the city.4.I have never seen so beautiful mountain in my life.第一个不是我们今年么，对呀，但你要看到“已经”两字，表示是已经完成那今年就不用翻译了？嗯最后一个可以翻译成 I have never in my life seen such a beautiful mountain对得么？不能in my life 要放到句尾哦