3 – Complete the sentences with the gerund or to + infinitive of the verbs in brackets
Remember to close ... (close) the door when you leave
There is a lot of noise in this room, stop talking ... (talk)
I failed the exam because I forgot studying... (study) for it
Smoking ... (smoke) is very dangerous
He does not know where to buy ... (buy)
When I was studying I stopped to eat ... (eat) a sandwich