Question

1. The teacher's        made it clear that she was quite pleased with what her students had done.

   A. passion   B. impression

   C. reaction   D. introduction

Answer 1

1. C句意为："老师的反应明显地告诉我们她对学生的所作所为非常满意。"passion意为"激情"；impression意为"印象"；reaction意为"反应"；introduction意为"介绍"。