题目内容：

请根据括号中的中文提示、英文释义或句意，写出句中所缺单词，使句子通顺。

1.Ms. Gao always uses an _____________ (最新的) method of language teaching.

2.It’s hard to go ________ (超越) ourselves, so we must learn from others’ successful experience.

3.It's        (not clever)to drive after drinking too much wine.

4.His book is of great _______ (how useful or important something is) to beginners.

5.Tan Dun ,a great musician,makes over 50 sounds from water by _______ the speed of water flow.