Luckily,John got back his notebook that he had lose at the club.(为何用adv.)

题目

Luckily,John got back his notebook that he had lose at the club.(为何用adv.)

答案

相当于 John got back his notebook luckily.
很幸运地拿回了笔记簿.
修饰动词用adv.,只是这里将adv提前了,表强调.非常幸运