The pop stars promised to sing in the concert （）free.

When we got there we found the window of the hall open and something （）.

A.to steal
B.to be stolen
C.stolen
D.stealing

点击查看答案&解析

When the story starts，it is the eve of （）.

A.Christmas Thanksgiving
B.Halloween
C.New Year

点击查看答案&解析