根据汉语提示完成句子
__________ __________ __________ __________ __________ __________ (为了不落后），he studies harder than be-fore.
You can go out to play __________ __________ __________ (只要）you stay in the back yard.
I'm sure the training __________ __________ __________ __________ __________ __________ __________ (将使你找到一份工作）.
__________ __________ __________(人们相信）a balanceddiet is useful to us.
You are too fat. Don't eat food __________ __________ (富含）fat.