— I think John is ______ than Bill and Tom.
A:the most serious; more serious
B:the most serious; serious
C:serious; more serious
D:more serious; more serious
下图是一幅漫画,画的是一位英国殖民者骑在一匹名为“美利坚”的烈马上,这匹烈马要将骑在它身上的英国殖民者掀翻在地。与漫画反映的主题相关的历史事件是( )
—Are you _______ in singing?
—Yes, I am.
观察填空.