Are you interested in surfing?为什么surf要加ing?

Are you interested? What are you interested? are you interested in()(listen)to music?yes,i a what are you interested还是what are you interested in What are you interested in?I'm interested in( )science of( )nature.A,/;/,B,the;/C,/;the,Dthe;the I would really like to meet you.If you are interested...let me know Are you really interested?Are you really sure?Tell me once again,and I won't ask you anymore Lucy,not you and I is/are interested in English.翻译/用哪个,为什么? i think it is good to do a job that you are interested in I often do some ___(cook).Are you interested in it? what are you interested in怎么回答 Are you (interested)in the interesting story? what are you interested in如何回答 which sport are you interested in you are not interested in english? are you interested in (play)tennis tomorrow I am quite interested in music,________?A.am I B .are not I C.are you D.are not you 英语翻译2.What are you interested in?3.I like singing best.4.My hobby is painting.5.I am interested in collecting stamps.