I e-file, but it didn't ask me any baking question how do I make sure it deposits to my current banking account and not my old one from last year?

The place to update your banking information would have been in the FILE portion of your interview.   If your return is accepted by the IRS, you won't now be able to change it.  If, however, your return is rejected by the IRS, you can update that info (as well as make the correction that caused the rejection) before re-submitting the return.

The info linked below will explain what will happen to your refund if your return is accepted but your banking information is not current.

What if I entered the wrong bank account for direct deposit? 

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