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题目内容
（国家开放大学人文英语（3））
He asked his neighbor to ________ his house.
单选题 (10 分) 10分
A.
keep an eye on
B.
keep their eyes on
C.
keep their eyes open
单选题 (10 分) 10分
A.
keep an eye on
B.
keep their eyes on
C.
keep their eyes open
参考答案