下列几个现象中,要用光的反射来解释的是 [ ]
A.能看到并不发光的物体
B.在太阳底下,物体后面有影子
C.小孔成像中的倒立像
D.能看到水中的月亮
AD
—I have watched the film.
—When _____ you _____ it? [ ]
A. have, watched
B. do, watch
C. did, watch
D. will, watch
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