YOU SAID:
I didn't know this site could speak back to me!
INTO JAPANESE
私はこのサイトが私に話すことができるか分からなかった!
BACK INTO ENGLISH
I did not know if this site could talk to me!
INTO JAPANESE
私はこのサイトが私に話すことができるかどうかわからなかった!
BACK INTO ENGLISH
I did not know if this site could talk to me!
Come on, you can do better than that.