题目
He asked his neighbour to _________ his house.A. keep an eye onB. keep their eyes onC. keep their eyes open
He asked his neighbour to _________ his house.
A. keep an eye on
B. keep their eyes on
C. keep their eyes open
题目解答
答案
A. keep an eye on
解析
此题考查的是固定短语的使用。短语 "keep an eye on" 意为“留意，照看”，符合题意。而 "keep their eyes on" 和 "keep their eyes open" 虽然语法上没有错误，但不符合题意。因此，正确答案是 A。