题目内容：

请问这个谓语动词应该用单数还是用复数
Lilei and Hanmeimei are 5 and 6 years old respectively.
是are好还是is好,最好给出理论依据和出处

优质解答

这里应该用are . 但是并非碰到and谓语动词就用复数的.比如and放在there be就不一定了.there be 的be是用单数或复数依据就近原则.例如,there is a pen and some books on the table. 和 there are some books and a ...