问题补充：
----What did Mr. John say just now?
----He told us out of the window in class.
A. not to look
B. not look
C. not looking
D. to not look
答案：
(答案→)A. not to look
B. not look
C. not looking
D. to not look
解析：句意：约翰先生刚刚说什么呢？他告诉我们在课堂上不要看窗外。tell sb not to do sth告诉某人不要做某事，故选A
