老板直接拒绝了他的提案，连解释都没有。

The boss ___rejected his proposal without even an explanation.

老师严厉批评了那些没完成作业的学生。

The teacher ___scolded the students who didn't finish their homework.

这个清洁剂能彻底去除顽固污渍。

This cleaner can ___remove tough stains completely.