— Can you ride a horse, Tony? — . A. Yes, I am B. No, he can’t C. Yes, I can
Though the player is over forty, he can run ___________ some younger players.
Don’t ___________ your dictionary all the time when you meet new words.
It is difficult __________ you ___________ finish the work in a week.
I can’t understand ____________ the boy alone.
They asked many questions ___________ had nothing to do with that topic.