单选题An international flight passenger should check in at least _____.A 20 minutes before departureB 30 minutes before departureC 45 minutes before departureD 60 minutes before departure
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填空题Why do people like smaller cars now?Because the cost of gas has ____.
单选题_____ that Bob had got promoted, his friends came to congratulate him.A HeardB Having heardC HearD To hear
单选题_____A No, thanks.B I often drink tea at home.C Not likely.D No problem.
单选题The Sales Department was required to _____ a plan in three weeks.A turn upB get upC come up withD put up with
单选题_____A The host of the houseB Freud’s friend.C A burglar.D The host’s brother.
填空题How many parts does a conversation with a new friend usually consist of?____.