1.Barbara is easy to recognizeas she's the only one of the women who ____ evening dress.A.wear B.wears C.has worn D.have worn2.Britain is one of the only 3 members of European union that ____ not to replace their own currencies(货币) with the euro.

Question

1.Barbara is easy to recognize
as she's the only one of the women who ____ evening dress.
A.wear B.wears C.has worn D.have worn
2.Britain is one of the only 3 members of European union that ____ not to replace their own currencies(货币) with the euro.
A.has chosen B.have chosen C.has been chosen D.have been chosen
第1题正确答案为B,第2题正确答案为B,为什么一个用单数,一个用复数 ,

Answer 1

1 who这里指代barbara,所以单数,因为只有她穿evening dress
2 that这里指代3 members,所以复数,that后面指的都是所有的member