'Do' and 'does' are both equally forms on the existing indefinite tense on the verb 'to complete.' Which a single you may use will typically rely on the sentence's issue. Their use is nearly identical, apart from just one occasion where You should use 'do' and not 'does.' Ebb https://financefeeds.com/mercuryo-launches-passkey-for-encrypted-fast-web3-payments/