－I my keys in the room yesterday. I had to get in the window.－It’s dangerous to do that.A.

问题补充：

－I my keys in the room yesterday. I had to get in the window.

－It’s dangerous to do that.

A. leave, from

B. left, through

C. forget, from

D. forgot, through

答案：

A. leave, from

(答案→)B. left, through

C. forget, from

D. forgot, through

解析：句意：昨天我把钥匙忘在房间啦。我得从窗口进去。那样做是很危险的。Leave sth +地点，把某物忘在某处，穿过窗户through the window，所以选B。