Question

【题目】The novel coronavirus has taught us many lessons. It teaches us to respect nature, keep healthy habits and be creative when ________ (face) difficulties.

Answer 1

【答案】facing

【解析】

句意：新型冠状病毒给我们上了很多课。它教会我们尊重自然，保持健康的习惯，在面对困难时富有创造力。

根据主语与face之间是主动关系，所以此处用doing，可推测出此处是“facing”，故答案为facing。