my blue trousers---worn out.one pair of trousers---not enoughA IS_英语解答

my blue trousers---worn out.one pair of trousers---not enough
A IS are B are is C is is D are is

人气：392 ℃　时间：2019-12-18 07:44:07

解答

B为什麽不用单数？当眼镜，裤子，袜子，鞋等做主语时，谓语一般用复数。但当前面用 a pair of 修饰时，谓语在数上和pair 一致，即用单数