He asked his neighbor to ________ his house.

选择一项：
A. keep an eye on
B. keep their eyes on
C. keep their eyes open

答案：A 译文：他请邻居照看他的房子 解析：keep an eye on sth.“照顾、照看”的意思，Keep one’s eys on，“盯住”的意思，keep one’s eyes open意思是“注意，留心”，后面不直接跟宾语。 正确答案是：keep an eye on