【简答题】A.They will leave as soon as the course is over. B.They will leave on the 13th. C.They will leave on the 14th. D.They will leave on Monday—the 15th.
【简答题】A.Because they have signed a very important contract. B.Because they will leave early tomorrow. C.Because they have got a good night's sleep. D.Because they have received good service from the hotel.