Question

【题目】______ the moment ________ different schools of the world students are having different classes.

A. In; at B At; in C In ; in D.At; at

Answer 1

【答案】B

【解析】

试题分析：句意：现在世界上不同学校的学生在上不同的课。at the moment此刻，现在。in different schools of the world在世界上不同的学校。本题选B。