Измените залоги ,там где возможно. 1. the muscles(strengthen) by exercise and the body then(keep) in good condition. 2. don't worry about her. she (meet) by her friends as soon as she arrives.

1. The muscles are strengthened by an exercise and the body then is kept in good condition.
Мускулы укрепляются путём выполнения упражнений, и затем тело будет в хорошем состоянии.

2. Don't worry about her. She'll be met by her friends as soon as she arrives.
О ней не беспокойтесь. Как только она придёт, её встретят её друзья.