根据句意及汉语写单词:
The physical benefits (好处) of exercise can be ______ (把……分成……) into three factors.
She's (承诺)to do all she can to help.
The boy looks much _______________ (生气勃勃的) in the sports clothes and trainers.
They are still trying to (发现)the cause of the fire.
Blue can represent _______ (悲伤).When you’re feeling sad,you may say "I'm feeling blue".
Style and colour are a matter of (私人的)taste.
The writer often drinks coffee to keep himself (醒着的) so that he can work late into the night.