一道英语题
Once a month, he collects money from his customers.
对划线部分“Once a month”提问
______ _________ _______ he collects money from his customers?
参考答案:How often does
Once a month, he collects money from his customers.
对划线部分“Once a month”提问
______ _________ _______ he collects money from his customers?
参考答案:How often does