i prefer using my free time actively to staying at home.为什么use和stay都要加ing

i prefer using my free time actively to staying at home.为什么use和stay都要加ing I am better than my mom at using computers.变同义句 I （ ）better ( )using computer than my mom. Well,I don'check my e-mail often.I prefer IMing my friends. i really ( )that all of you made a great party fr my birthday. I just found that I could hardly express my feeling using my limited vocabulary. i like writing my own original sentences ____the grammar I've learnde .A.to use B.using c to using I prefer ( ) to swimming. I can write my own original sentences using the grammar.这句话中表达用语法使用using怎么解释? so i asked him to call his parents using my phone 英语改错为什么不在using 前加by? could you mind my using your pen.是不是my 应该使用I. I'm using my brother's ruler(my brother's ruler)对画线部分提问 I prefer to visit France for my holiday.(改为同义词) I _____ ______ France _____ for my holiday. I prefer to visit France for my holiday.(改为同义词) I _____ ______ France _____ for my holiday. I prefer to visit France for my holiday.(改为同义词) I _____ ______ France _____ for my holiday. 翻译;I started to write my own original sentences using the grammar I was learning i prefer to let my money talk,talk是什么词性作什么成分? I prefer the food that my grandma cooks because it is much____.(taste) compared with my friends ,i prefer folk music to popular music,