what does john like doing?
what's john's ?
his hobby is piaying the violin。
he piaying the violin。
what does john like doing?
what's john's ?
his hobby is piaying the violin。
he piaying the violin。
1.what's john keen on?
2. 不知道是什么
3. he's interested in playing the violin.
4. 原句就是语法错误. the violin is being played by John.