logo - 刷刷题
下载APP
【简答题】

We knock _____people’s doors, and they usually give us some candy ______ a treat.
[ ]
A. on, to
B, at, to
C. on, as
D. on, on

举报
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三