Mary is the only one of the girls who often late for school.A. isB. areC. comesD. get

问题补充：

Mary is the only one of the girls who often late for school.

A. is

B. are

C. comes

D. get

答案：

(答案→)A. is

B. are

C. comes

D. get

解析： Who作定语从句的主语时，其谓语取决于先行词。但要注意：....one of the ...复数名词 + who / that / which + 复数谓动；....the only one of the .... 复数名词 + who / that / which + 单数谓动。