修改同义句(英语),

题目

修改同义句(英语),
He`s interested in mountain biking.
During the summer of 2000,he spent four weekson a summer camp.

答案

He takes an interest in mountain biking.During the summer of 2000, he spent four weeks (in) going summer camping.orDuring the summer of 2000, a summer camp cost him four weeks.