Контрольные задания

Вопрос:

Фото задания: 6. If you go weightlifting (тяжелая атлетика), your muscle and so you become stronger.

Фото задания

6. If you go weightlifting (тяжелая атлетика), your <b>muscle</b> and so you become stronger.

6. If you go weightlifting (тяжелая атлетика), your muscles become bigger and so you become stronger.