下面两道题考查的是定语从句哪方面的知识点呢?

题目

下面两道题考查的是定语从句哪方面的知识点呢?
谁是先行词?
1.Mr.Smith is the only one of those foreigners who ____ in China.
A.works B.is working
C.are working
D.have been working
2.He is one of the students who ___ to Beijing.
A.have visited in B.has gone
C.has paid a visit D.have been

答案

第一题,先行词为the only one,从句谓语动词用单三形式
第二题,先行词为the students,从句谓语动词用复数.