用approach/way/means/method及其短语完成句子。
1. Learning a foreign language is _____ the study of the spoken language.
学习外语最好的途径是学习口语.
2. We should____with great care.
我们应该非常慎重地处理这个问题.
3. ____the palace were guarded by troops.
通往宫殿的所有道路都有军队守卫.
4. As you know, there are several ways of ___.
正如你了解的,有几种解决这个问题的途径.
5. The shadows lengthened with ___.
阴影随着太阳的下落在拉长.
6. _____ when we must think about buying a new house.
我们一定思考买房子的时机即将来临.