他把他的一生献给了宇宙飞船的研究(devote)
He devoted the whole life to the study of space craft.
你最好现在不要把坏消息告诉他.(had better )
You'd better not tell him the bad news.
他是一位有经验的驾驶员,他习惯于在各种各样的天气情况下开车.(used)
He is an experienced drive.He is used to driving under all kinds of weather.
今晚你应该复习功课,而不应该看电视(instead)
You should study tonight,instead of watching TV.
没有什么能阻止这孩子冒险爬那棵高树(prevent)
Nothing could prevent this kid take the risk of climbing the tall tree.
妈妈很少晚上一个人出去,是吗?(seldom)
Mom seldom goes out alone at nights,does she?