阅读下面短文，在空白处填入 1个适当的单词或括号内单词的正确形式。People used to keep large amounts of cash at home during difficult times. 【1】 in the coronavirus (冠状病毒) crisis, things are different. These metal coins and paper bills can be a source of worry rather than hope.The fear is that these objects, possibly 【2】 (touch) by thousands of people, could be a way for the disease to spread. Health experts say that 【3】 risk is small. Still, some businesses refuse to accept them, and some countries have suggested that their citizens should stop