问题
选择题
He is one of the boys who__________here on time.He is the only one of the boys who
__________here on time.
A．has come; have come
B．have come; has come
C．has come; has come
D．have come; have come
答案
B
在“one of +复数名词+定语从句”的结构中，定语从句中谓语动词常用复数；在“the （only） one of +复数名词+定语从句”的结构中，定语从句中谓语动词常用单数。