—Will you our pet dog while we are on vacation?
— Well, that ought to be no problem.
A. keep an eye of
B. keep an eye on
C. have an eye for
D. have an eye on
网友回答
A. keep an eye of
(答案→)B. keep an eye on
C. have an eye for
D. have an eye on
解析：短语辨析。A. 留意 B. 照看；密切注视
C.对……有鉴别能力 D. 注意；监视
句意：当我度假时，你能照顾我们的宠物狗吗？——好吧！那应该没问题。故选B。