Many Internet users make most of the half-price promotion and it is good opportunity for online shopkeepers to get their names known.
A. a; the
B. /; the
C. the; /
D. the; a
网友回答
A. a; the
B. /; the
C. the; /
(答案→)D. the; a
解析：本题第一空是固定搭配make the most of充分利用…；第二空后的名词opportunity机会，是一个可数名词单数形式，前面可以用a修饰。句义：很多网络用户都充分利用了半价促销的活动，对于店主来说这是一个出名的好机会。故D正确。