my hobby is 后面加的是doing还是to do?

my hobby is 后面加的是doing还是do? my hobby is 后面加的是doing还是to do? My hobby is ( ) 是填to do还是doing? It is my hobby+ to do还是doing ask后面是加to do还是doing,还是do? fear 后面是加doing?do?还是to do? there is no time 后面是加to do sth.还是doing sth. my hobby is to do sth /doing sth this is my first time 后面加to do和doing的区别 carefully 后面是加doing 还是 to do bear后面是加to do还是doing? learn后面是加doing还是to do?