1．They spare no effort (努力) to help reserve the wildlife.
2．It's illegal (非法的) to carry guns in our country.
3．He consumed (消耗) much time and energy in writing this book.
4．The surrounding villages have been absorbed (吸收，合并) in the growing city.
5．There are two hundred boys ranging from seven to fourteen in age.
6．There is no point buying him expensive presents and he doesn't appreciate them.
7．He buried himself in an electrical book.
8．She has already tried her best. Please don't be too particular about her job.
