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
---Is it good to look up every new word when I come across it in reading?
---No. You ______because you are likely to guess the meaning from the context.
A. can’t B. mustn’t C. don’t have to C. ought not to