everybody should keep ______good healthy students sleep nine hours every day

题目

everybody should keep ______good healthy students sleep nine hours every day
____he is young,he looks____himself well
A.although;at B.though;after C.but;for
i"m____unhealthy because i hardly ever exercise
exercise can keep you healthy(改为同义句
exercise can keep you_____ ______ _______

答案

_Although___he is young,he looks__after__himself well
i"m_nearly___unhealthy because i hardly ever exercise
exercise can keep you healthy(改为同义句
exercise can keep you__in___ __good____ ___health____