Generally.students' inner motivation with high expectations from others essentia

(2013·江苏，21)Generally，students' inner motivation with high expectations from others________essential to their development.

试题答案

A

解析考查主谓一致和动词时态。主语为motivation，故谓语为单数；根据语境及generally可知，描述的为一般情况，故使用一般现在时态，选A。