Our parents and teachers often the importance of study hard us.A. impress; onB. impress;

问题补充：

Our parents and teachers often the importance of study hard us.

A. impress; on

B. impress; in

C. impress; with

D. impress; to

答案：

(答案→)A. impress; on

B. impress; in

C. impress; with

D. impress; to

解析：固定词组。句意：我们的家长和老师经常让我们铭记学习的重要性。Impress sth on sb使某事给某人留下印象； Impress后面接on表示给某人留下深刻印象，接in表示留在记忆中；接with表示用某事打动某人，多用于被动语态，一般不和to搭配使用。故选A。