Don’tletthesadnessofyourpastandthefearofyourfuture

问题详情：

 Don’t let the sadness of your past and the fear of your future ______the happiness of your present.

A. ruin                    B. to ruin            C. ruining              D. ruined

【回答】

A

知识点：非谓语动词

题型：选择题