It is Sunday today.It is fine.I want to learn to-16-at Green

It is Sunday today.It is fine.I want to learn to_16_at GreenWater Pool,but who can help me_17_it?First,I go to Marcia for help,_18_she says shes helping her mother do the housework.Next,I go to ask Mary_19_me.When i get there,she is helping Zhang Ming with his English.Now I feel_20_sad."Why not ask Mona?Shes my best friend,"I say to myself."_21_are you doing,Mona?"I ask her when I go into her room."Oh,welcome to my home,linda.Look,I am_22_an e-mail to my friend in Australia.""Can you_23_me to swim today?"I ask her,"Sure,Id love to.I am going to the swimming club_24_afternoon,You can go with_25_.""That sounds great,Mona,Thanks a lot."不是翻译17。A.for B.with C.in D.on20.A.little B.a little C.many D.some