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Complete the dramatic office confession email by selecting ALL the grammatically correct options that apply.
The correct answers are It is I who am taking full responsibility for the incident. and It was the marketing team that left the milk out overnight.
In formal it-cleft sentences, the verb in the relative clause must agree with the emphasized subject. Because the subject is I, the correct verb is am (not is).
Furthermore, when the emphasized noun phrase functions as the subject of the relative clause (the marketing team left the milk out), you must use that or who, never the object pronoun whom.