ThoughCOVID-19causedgreatloss,italsotaughtustobe    ▲  ...

问题详情：

Though COVID-19 caused great loss, it also taught us to be     ▲    should never forget the warmth and kindness from all walks of people during the fight against it.

A. thankful               B. helpful                     C. careful

【回答】

 A

知识点：相似 相近词比较

题型：选择题