1 . 根据句意，选择单词或短语并以其适当形式填空。

means/way/method/ approach

1. Swimming is my favorite sport. There is nothing like swimming as a ________ of keeping fit.
2. New ________ of teaching foreign languages are adopted in this university.
3. He had strange ________ to make his classes lively and interesting.
4. His ________ to solving the problems were not proper.