问题
选择题
----Did you open the door?
-----Yes. I remembered _____it before you arrived.
A．opening
B．being opened
C．to open
D．to have opened
答案
答案：A
动词用法辨析。Remember to do sth记得要做某事；remember doing sth记得做了某事；句意—你把窗户打开了吗？—是的。我记得在你来开之前我记得打开了。