The teacher ________ (want to know) how many students would like to go to the zoo.
The teacher ________ (want to know) how many students would like to go to the zoo.
wonders/wondered
【详解】
句意：老师想知道有多少学生想去动物园。根据英语释义可知，此处是 wonder“ 想知道 ” ，句子可以是陈述事实，用一般现在时，也可以用一般过去时，描述过的动作，所以动词可以用三单形式，也可以用过去式，故填 wonders/wondered 。