题目内容：

阅读下面对话,掌握其大意,并根据所给首字母的提示,在标有题号的右边横线上写出一个英语单词完整、正确形式，使对话通顺。

M: Jenny，you look so strong, quite 1. d______ from what you used to be．How I envy you!

W: I think you’ve2.h_____ the saying：“A sound mind dwells in a sound body．”I have always 3. t____ my best to keep fit for both my study and work．

M: Right you are! Can you give me some 4. t_____ as to how to keep fit?

W: To my 5.m______, the best way to keep fit is to go in for sports．

M: What kind of sports do you participate in?

W: I go swimming6. o_____ a week．I do this even in cold winter．

M: I used to swim in high school，but don’t have 7.t_____ anymore．

W: That’s too bad．Exercise is really8. i_________ for your health．

M: I know．I’m 9. g______ a little fat．I am short of breath when going upstairs．

W: That’s a bad sign．I think you need more 10.e_______．Well, I’m going swimming tonight．Do you want to go with me?

M: Okay．I really need to get in shape again．