单项选择题
A. Liz has tried unsuccessfully to phone Bill. B. Liz is asking John to phone Bill. C. Liz has been too busy to phone Bill.
A. Ask for our June catalogue and get some free stationery. B. Buy a product in June and you’ll get a gift. C. Order a pen before June and get another one fre
A. The hotel offers safe parking for guests’ cars at night. B. Guests can only leave their cars here during the day. C. There is no entry to this car park after midnight.