We are all very active and the activities are enjoyable（去掉much）
If you don’t want to take a taxi ,you can go by bus（条件状语从句中用一般现在时代一般将来时）
Bed habits do not come suddebly（原句没有助动词）
I have had a bad cold for a week and I can't get rid of it（表示持续的状态要用have ,caught表动作,不能和一段时间连用）
I rushed over without delay ,jumped into the water and swam towards him（三个并列谓语要时态一致,后两个都用过去时,第一个也要用）