THAT IS THE BEST BOOK THAT I ... ON THAT SUBJECT.A. HAD READB. RE...
141. That is the best book that I ... on that subject.
a. had read
b. read
c. have read
d. am reading
--> c
141. That is the best book that I ... on that subject.
a. had read
b. read
c. have read
d. am reading
--> c