每天记日记是个很好的习惯 it's a good habit to---a---every day

每天记日记是个很好的习惯 it's a good habit to---a---every day
从农场劳作回来,他感觉到很累
after working on the farm,he--- ---
那听起来很严重,你必须加强锻炼
that--- ---.you must do enough exercise