Вставите предлоги в предложения. 1. I always ack my brother ___

Вставите предлоги в предложения. 1. I always ack my brother ___ help 2. Me sister ctudies ___ University 3. Me mother goes to work ___ foot 4. He likes refding ___ his free time 5. They det __ at seven tvere day 6. Doctors look ___ sick people Предлоги: on, up, for, after