Question

He is one of the boys who__________here on time.He is the only one of the boys who__________here on time.

1. A.
   has come; have come
2. B.
   have come; has come
3. C.
   has come; has come
4. D.
   have come; have come

Answer 1

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。