what my hobby is drawing ,listening music,surfing on internet.

问题描述:

what my hobby is drawing ,listening music,surfing on internet.
还是
what my hobbies are drawing ,listening mustic.

首先,第一个句子错了因为主谓表根本不一致,表语表示的是多个事物,那么主语谓语都应用复数;其次,上网应该是“surf the Internet”没有介词,因为surf 为及物动词
好了.希望帮到你^-^