I HAVE A LOT OF BOOKS, ... WHICH I HAVEN'T READ.A. ILLNESS B. PAI...

31. - 30 BAI TRAC NGHIEM VOI KEYS FOR 9 P
30 BAI TRAC NGHIEM VOI KEYS FOR 9 P

31. I have a lot of books, ... which I haven't read.

A. illness B. pain C. ache D. hurt

A. many of B. most of C. some of D. all are correct