doing exercising does you good详细解析一下这句话中的does

doing exercising does you good详细解析一下这句话中的does Every morning I see many people in the park exercising.------------初二下册英语冀教版P4为什么不用:exercise而用:exercising呢?不是说：习惯性经常性用：exercise ( do) 现在正在进行的用：exercising（doing）吗? doing exercise is good for our health,not only I but also my old grandfather____every morningAexercise Bexercised Cexercises Dare exercising Is doing morning ()a good habit?Yes,it is.A.exercise B.exercises C.exercising D.exercised(我知道C和D不对） John doe jane doe The fat man( )keep exercising. you should spend as much time as you can (exercise) (keep) fitspend some money / some time (in) doing sth exercising to keep can不是勤态动词吗 后动词不是原形吗? DOE是什么意思? doe是什么意思 doe是什么 DOE是什么? yes.i like exercising的问句是什么 Exercising enough can help you stay________(health) 英语填空 the twins ( ) (都)like exercising. Exercising every day helps you to keep in good health.为什么exercising不用exercise FMEA、SPC、DOE 求doe的角 求角DOE,