Form nouns from the following verbs

explain
know
inform
progress
teach
admit
train
appreciate
cooperate
orient
participate
probe
suspend
achieve
examine

Заранее спасибо(: Задание 10 класса:)

Огромное при Огромное Спасибо, в какой раз уже спасаете!

Привет! explanation, knowledge, information, progress/progression, teaching, admittance, train/training, appreciation, cooperation, orient/orientation, participation, probe/probation, suspension, achievement, examination.