A-A+

She kept a close eye__________the sick child a

2022-08-06 08:14:07 问答库阅读 177 次

问题详情

She kept a close eye__________the sick child and didn’t sleep the whole night．
A．at
B．in
C．for
D．on

正确答案：D
keep a close eye on sb．“密切关注于某人”；其余为干扰项。