Нужна помощь!

Пример:
He has problems with health, that's why he is advised to stop (smoke) ____.
Надо вписать - smoking (перестать/бросить курить)

1. If you see them, remember (say) ___ hello from me, please.
2.John, don’t forget (close) ___ the door.
3.Your memory is getting worse and worse. Yesterday afternoon you went out and forgot (lock) ___ the door.
4.Sorry, I’ve forgotten (tell) ___ you that Marry wrote an email this afternoon.
5.Did you remember (send) ___ the letters I gave you the day before yesterday?
6.I think he’ll never forget (visit) ___ London in 2010.