If you want to make yourself you should speak clearly and slowly.A. understandB. underst

问题补充：

If you want to make yourself , you should speak clearly and slowly.

A. understand

B. understood

C. to understand

D. understanding

答案：

A. understand

(答案→)B. understood

C. to understand

D. understanding

解析：句意：如果你想让人们理解你，你就应该说的慢点情点。make oneself understood让人们理解，使自己说清楚。所以选Ｂ。

考点.：考查非谓语动词。