Question

【题目】Generally, students' inner motivation with high expectations from others ______ essential to their development.
A.is
B.are
C.was
D.were

Answer 1

【答案】A
【解析】句意：一般认为，其他人对学生高的期望是他们发展的必要的内部动机。本句主语是“motivation”，所以谓语动词用单数，而且是一般情况，所以用一般现在时，选A。