It is a long time ______ I saw you last year–YesAnd it will be some time ______ we see each other again

Could you tell me how to get to the National Stadium— Sorry, I’m not sure . _____ ask the policeman over there

24．While reading, you can make a mark _____ you have a question

Many parents often warn their kids _____ candies or toys from a total stranger.— That’s right. They are afraid it bring some danger to the kids.

He is a successful businessman and he ___ his success more to luck than to ability.