见解析
【小题1】He failed to adapt himself to the new environment.
【小题2】He devoted himself to the cause of education.
【小题3】Parents should try to discourage their children from smoking.
【小题4】All I had to do was go to school and spend a few hours studying when I came home.
【小题5】I don’t want to adopt someone else’s child. If I had the chance, I would have a cloned baby right now.
【小题1】没能做某事fail to do，使自己适应adapt oneself to something， 谓语动词用一般过去时。 He failed to adopted himself to the new environment.
【小题2】“把自己的一生都投入到了”devoted oneself to ，“事业”the cause of 。谓语动词用一般过去时。He devoted himself to the cause of education.
【小题3】“劝阻某人”discourage somebody from doing。 Parents should try to discourage their children from smoking.
【小题4】“我要做的事就是”All I had to do was do. 谓语动词用一般过去时。All I had to do was go to school and spend a few hours studying when I came home.
【小题5】“收养”adopt，“立即”right now.，If虚拟语气，与现在事实相反，从句用一般过去时，主句用would+动词原形。 I don’t want to adopt someone else’s child. If I had the chance, I would have a cloned baby right now.
考点：句型翻译
