1.The has a great gift for classical music, whose ability impressed all the audience.(music)
2.Helping others seemed a very (nature) thing to him. I witnessed the true beauty of human nature in him.
3.Wild plants can be up to 9 metres high but on tea plantations(茶园) they are cut back to the bushes about a metre in (high)so that workers can pick the leaves (easy).
4.We believe it is (significance) to teach the children good values.
5.Things that we believed would last forever had (actual) gone in a second before we realized it.
6.Most teas have caffeine in them, a substance that makes people feel more active. Some refuse to drink tea because it can cause (sleepless).