A.she has not heard of Prof. Johnson.B.She has not heard of Prut. Johnson s brother.C.She is a good friend of Prof. Johnson’’s.D.She does not know Prof. Johnson’’s brother.
A.she has not heard of Prof. Johnson.
B.She has not heard of Prut. Johnson" s brother.
C.She is a good friend of Prof. Johnson’’s.
D.She does not know Prof. Johnson’’s brother.