ONE OF THE ... DISEASES MANKIND HAS TO FACE ... CANCER A. WORST/IS...
78. One of the ... diseases mankind has to face ... cancer
A. worst/is
B. worse/is
C. worse/are
D. worst/are
78. One of the ... diseases mankind has to face ... cancer
A. worst/is
B. worse/is
C. worse/are
D. worst/are