题目

There are five pairs, but I'm at a loss which _____ to buy.A. to be chosen   B. to choose from  C. to choose   D. for choosing 答案：B 解析: 此题容易误选C，其实应选B。choose表示“选择”，其实是指“选择出来”(pick out)，而不是指“从……选择”，要表示后者的意思，要用choose from，有时也用choose among。同样地，下面两例中的介词from也不可省略：Here are some books for you to choose from.这些书可供你选择。There are too many cakes to choose froSam今天要去参加英语考试，早上出门，妈妈可以对他说：( )A.Good afternoon.B.Good lucky.C.Good luck.