阅读下面一篇短文,理解大意,然后从各小题的四个选项中选出一-|||-个最佳答案,使短文连贯完整。-|||-Since my mother moved to live with us in the city,she has been much heavier-|||-than before.As time went by,her health got 31 So I had to take her to see a-|||- 32 My mother was told to lose weight by doing exercise every day.She had no-|||-choice but to follow 33 the doctor said.I told her that I would exercise with her-|||-every morning.-|||-On the first morning,she got up very early 34 ran with me in our neighborhood.-|||-I tried to run slowly so that she could follow me. After 35 for some minutes,I-|||-told her the proper ways of exercise and the importance of eating healthy food. She-|||-listened to me carefully. It made me 36 that she told me everything very patiently-|||-when I was a kid.On the second morning,I praised her for keeping running with me.-|||-But after two weeks,she wanted to 37 running because she thought the-|||-two-week exercise didn`t work at all. To encourage her,I taught her how to use the-|||-facilities(设施)for exercise in our 38 She began to exercise again.-|||-With my help,it 39 her one month to develop a good habit of daily exercise.-|||-`Thank you,my dear daughter. Exercise brings health and happiness to me.I will-|||- 40 worry about my health."Her words touched my heart deeply. I felt happy to-|||-make a big difference to my mother`s life.-|||-() 31.A.better B.stronger C.worse D.thinner-|||-() 32.A.teacher B.waiter C.nurse D.doctor-|||-() 33.A.that B.what C.which D.where-|||-() 34.A.and B.but C.so D.or-|||-() 35.A.swimming B.running C.playing D.eating-|||-() 36.A.act B.expect C.forget D.remember-|||-() 37.A.give up B.eat up C.set up D.put up-|||-() 38.A.school B.hospital C.neighborhood D.cinema-|||-() 39.A.cost B.spent C.took D.paid-|||-() 40.A.never B.ever C.sometimes D. always