Complete the sentences. Use mustn't or don't need to + one of these verbs:forget, hurry, lose, phone, wait.1We have a lot of time. We ... .3 Keep these papers in a safe place. You ... them. 4 I'm not ready yet, but you ... for me. You can go now and I'll come later. 5 We ... to turn off the lights before we leave. 6 I must contact David, but I ... him-I can send him an email.