be good at playing basketball中,介词短语作什么成分

both he and I ( ) good at playing tennis.A.be B.is C.are D.am 关于be good at后面be good at playing basketball 可以不可以be good at math? Our maths teacher _ ( be ) good at playing computer games. How can I be good at playing basketball?You have to practice_____it every day.A.to play B.playC.playing D.plays 擅长踢足球用英语怎么说,要写三种.be good at football 和be good at playing football算一种. be good at playing basketball中,介词短语作什么成分 She is good at playing the piano ,she wants to be a p_____ How to be good at playing basketball?Any more good idea?Thank you~Nice to meet you~ jack is ( )playing basketball.A,good in B,good not on C,not good at 选什么?为什么? he is good at (playing) soccer. football at she playing good is be good at造句 用be good at be good at 造句 be good at 词性 be good at+什么? Be good at+__ be good at