42.【2020•湖南省邵阳市】—Could you tell me __________in Wuhan, please?
—Maybe last December.
A．when did Covid-19（新冠肺炎）break out
B．when Covid-19 broke out
C．how often Covid-19 breaks out
【答案】B
【解析】句意：——你能告诉我新冠肺炎在武汉什么时候爆发的吗？——可能是去年12月。考查宾语从句。when did Covid-19（新冠肺炎）break out新冠肺炎什么时候爆发，疑问句语序；when Covid-19 broke out新冠肺炎什么时候爆发，陈述句语序；how often Covid-19 breaks out新冠肺炎多久爆发一次，陈述句语序。问句为宾语从句，应为陈述句语序，故排除A选项。根据答语last December可知，问句询问的是新冠肺炎是什么时间爆发的，故应用when来引导宾语从句。故选B。