----- Nội dung dịch tự động từ ảnh ----- correct form of the words in brackets. 15. My brother took part in the Vietnam Mountain Marathon in 2019. Although the race was so___________, he really enjoyed the beautiful wild nature. (TIRED) _. (PROTECT) 16. When we do Taekwondo, we have to wear a helmet, arm and foot pads for 17. Lucas doesn't like snorkelling. He thinks it's dangerous. (DANGER) 18. Sports help us to forget about our worries and relax after a 19. We don't need expensive day. (STRESS) when we take up jogging. (EQUIP) 20. Ellen is very good at running. She took part in many Y Read the following and won lots of medals. (COMPETE)