单项选择题
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
John, I haven't had a chance to phone Bill. Have you Li...
单项选择题John, I haven't had a chance to phone Bill. Have you Liz（）
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.
