中国大学MOOC: The airline __________ (regular) offers last-minute bookings at bargain prices.
中国大学MOOC: The airline __________ (regular) offers last-minute bookings at bargain prices.
( )heavy bookings, we are not in a position to accept any fresh orders. A: Because B: Unless C: Owing to D: Since
( )heavy bookings, we are not in a position to accept any fresh orders. A: Because B: Unless C: Owing to D: Since
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