Who is Simsoon? √

 She is my classmate. She can ride a bike and play piano well. —> She can ride a bike and play the piano well. 

=> This sentence is okay. This is another way of saying it. ​​

Who is Simsoon? —> Which girl is Simsoon?

=> This sentence is okay. This is another way of saying it. ​​

12/22 

Yes, go and say hello. —> Yes she is. Go and say hello to her.

=> This sentence is okay. This is another way of saying it. ​​

"Hello? What's the matter? Can you hear me?" 

=> This sentence is okay. This is another way of saying it. ​​

It smells good. √

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