翻译句子（共4小题；每小题2分，满分8分）尽管外面天气很冷，但是他坚持每天游泳。（keep on + v.ing）
_________________________________________________________________________踢完足球比赛后，他太兴奋了以至于睡不着。（too…to）
________________________________________________________________________这位外国朋友来中国已经半年了。（for）
________________________________________________________________________要想更好地了解世界，我们有必要学好英语。（it is + adj. + for sb. to do）
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青少年们应该学会对自己的行为负责。
Teenagers should learn to be ________ ________ their behaviors.
我们可以把需要学习的内容与感兴趣的东西联系起来。
We can ________ what we need to learn ________ what we are interested in.
Nowadays, many schools encourage students to ________ to let them understand where foods come from. （种菜）
Teachers ________ their students in order to help them make great progress. （对……严格）
On February 6, China women’s soccer team won the Asian Cup because they didn’t ________ when they were 0-2 behind. （放弃）