Flying kites is my favourite .为什么用Flying

Flying kites is my favourite .为什么用Flying flying ( )is my favourite outdoor activity(kite) my bother is good at flying kites 同义句转换 Flying kites is f___.Id like that. My brother is good at flying kites.(同义句转换） My brother _____ my brother is good at flying kites.(同义句转换) my tea They are flying kites 用中文怎么说 英语翻译is she flying kites?为什么回答是yes,sheisWhat is John doing?为什 kites,flying,is,for,not.（连词组句） flying is for birds not kites的汉语意思 I like flying kites.It is ( ) hard easy not hard There are some children （flying） kites now 括号中为什么是flying而不是a