---Dad. Why I should stop__________ computer games? ---For your health, my boy, I’m afraid you _____________.
–Must I finish watering the flowers now?–No, you________.
–Look, Mary looks sad. Let’s go and_______.
–Would you like to go to the concert with us tonight?–I’d love to, ________ I can’t. I have a lot of homework to do.
–Can you understand what I meant?–Sorry, I can________ follow you.
–Excuse me. _________ do you say “autumn” in American English?–It’s “fall”.