Smiling doesn't mean you're happy.Sometimes, it just means that you're strong enough to face problems.
A. fortunately
B. eventually
C. deliberately
D. necessarily
网友回答
A. fortunately
B. eventually
C. deliberately
(答案→)D. necessarily
解析：D 考查副词辨析。句意：微笑不一定意味着你幸福，有时，它仅仅意味着你足够坚强地面对问题。根据句意可知，此处应选necessarily，它与not连用表示“不一定”。fortunately“幸运地”；eventually“最后”；deliberately“故意地”。