问题

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

正确答案是：

同类题型

suffering a heart attack, MichaelJackson was pronounced dead, ____ a tragic end to the world’ s most popular entertainer

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