问题
选择题
(2013·江苏,21)Generally,students' inner motivation with high expectations from others________essential to their development.
A.is
B.are
C.was
D.were
答案
答案:A
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。