第一节单项选择(共15小题;每小题1分,满分15分) 从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。 Customers will receive a free CD as a _________ with any order over 200 yuan in this store. A.payment B.bonus C.cash D.benefit
—We all had a lot of fun at the barbecue yesterday. Pity you weren’t there.
—I really should have gone with you but I _____ on some remaining problems.