翻译(根据中文提示完成句子)
【小题1】既然你认为你是对的，那你为什么不坚持到底呢？
________________ ________________ ________________ ________________ ________________ , why don't you hold on to it?
【小题2】我们需要一些新的办法使污水清洁。
We need to ________________ ________________ with new ideas to make polluted water clean.
【小题3】我父亲做医生5年了。
It ________________ five years ________________ my father ________________ a doctor.
【小题4】除了几支铅笔之外，铅笔盒里还有一把直尺。
________________ some pencils, there is a ruler in the pencil box.
【小题5】Although Paris and London are cities in different countries, they still have many things ________________(共同之处). (词数不限)
【小题6】我相信你也会喜欢这部电影。
I'm sure you'll like the movie ________________ ________________.
【小题7】但是然后人类开始砍伐森林。
But then humans started to ________________ ________________ the forests.
【小题8】饭后最好散步，因为它将有利于你的健康。（词数不限）
It's better ________________ take a walk after dinner ________________ it is ________________ your health.
【小题9】那时你想出好主意了吗?
Did you ________________ ________________ ________________ a good idea then?
【小题10】His room is always ________________ ________________(充满) boys and girls.