通常A and B作主语 ,谓语动词是用复数的吗?可是为什么答案上的这一句 ： Too much work and too little rest often leads to sickness 谓语动词为什么用单数啊?请会的大哥大姐指教下 不要用秒杀的

通常A and B作主语 ,谓语动词是用复数的吗?可是为什么答案上的这一句 ： Too much work and too little rest often leads to sickness 谓语动词为什么用单数啊?请会的大哥大姐指教下 不要用秒杀的 one and a half apples 作主语时谓语动词到底是单数还是复数 one and a half+复数名词作主语,谓语动词用什么形式 people作主语,谓语动词是用are还是is,不可数名词作主语谓语动词用单数吗 a couple of 作主语时.谓语动词是用单数还是复数 两个动名词作主语时,谓语动词用单还是复?Playing football and watching TV__ interesting.A is B areC wasD were no A and no B 做主语,谓语动词用单数还是复数? 主语是a boy and a girl,谓语动词用单数还是复数如题 a lot of clothes and money作主语谓语动词单数还是复数 track and field作主语,谓语动词是单数还是复数? （anybody and anything） 作主语,谓语动词是单数复数? sheep作主语谓语动词用单数还是复数?Many sheep _____ eating grass.A.is B.are 两个不定式用and连接作主语谓语动词用单数还是用复数? the size and shape of your ears作主语谓语动词用什么 many a 作主语谓语动词单数复数 a set of keys作主语是谓语动词使用单数还是复数 如果是two shoes作主语谓语是不是用复数.a pair of shoes作主语.谓语用单数吗? A series of +复数名词.作主语时,谓语动词用单数还是用复数?为什么?