THESE ARE MY REFERENCE BOOKS, FROM SOME OF ____________YOU CAN GET...
23. These are my reference books, from some of ____________you can get useful information
for your research.
a. it
b. them
c. which
d. whom
23. These are my reference books, from some of ____________you can get useful information
for your research.
a. it
b. them
c. which
d. whom