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!