Question

【题目】Our teacher often keeps us _______ the classroom, so we should keep our classroom _______.

A. clean; clean B. cleaning; clean

C. cleaning; cleaning D. clean; cleaning

Answer 1

【答案】B

【解析】试题分析：句意：老师经常叫我们保持每天清扫教室，因此我们应保持教室干净整洁，keep somebody doing something叫某人保持做某事的状态，keep something+形容词叫……保持……状态。根据句意，故选B。