【题目】The speech by our manager at the opening ceremony is strongly impressed ________ my memory.
A.to
B.over
C.by
D.on

【答案】D
【解析】“sth impress on sth或be impressed on/upon sth”是固定搭配，意为“给……留下了印象”。其他几个搭配都不对。句意：我们经理在开幕典礼上的讲话深深印入了我的脑海中。