Прошу!!! Умоляю номера 31.2, 31.3, 31.4 . Дам 35 баллов
31.2 2) must 3) had to 4) must 5) had to 6) had to 7) must 31.3 2) don't need to hurry 3) mustn't lose 4) don't need to wait 5) mustn't forget 6) don't need to phone 31.4 2) c 3) a 4) b 5) d