Mary must be the cleverest (),because she is always the first one to finish her work.A.of her sisters B.of all her sistersCin the sister D.of the sisters（求解析~~）正确答案是D= =|||

Question

Mary must be the cleverest (),because she is always the first one to finish her work.
A.of her sisters B.of all her sisters
Cin the sister D.of the sisters
（求解析~~）
正确答案是D= =|||

Answer 1

of后面需要用定冠词the,表示在众多人中