--Why do you suggest Mount Lu?
--I believe beauty of nature there will make excellent impression on you.
A. /; an
B. the; the
C. the; a
D. the; an
网友回答
A. /; an
B. the; the
C. the; a
(答案→)D. the; an
解析： 考查冠词的用法，第一空是特指：大自然的美所以用the beauty of nature，第二空为固定短语：make an impression on sb 给某人留下印象，中间的形容词excellent发音以元音因素开头，所以用不定冠词an，故选D。