Question

【题目】I bought the apples weeks ago. Half of them ________ bad now.

A. is B. are C. was D. were

Answer 1

【答案】B

【解析】

句意：几周之前我买了一些苹果，现在有一半都坏了。is是，用于主语是单数的时候；are用于主语是复数或是第二人称you的时候；was是is的过去式；were是are的过去式。根据句意和句中的now可知，这里用一般现在时，先排除C和D；主语Half of them，谓语动词应与of后的名词或代词一致，故这里用复数，选B。