____of half-starving wolves were roaming the snow-coveted countryside.
A. Swarms
B. Packs
C. Flocks
D. Herds
【C16】
A. makes
B. shows
C. cues
D. responds
【C4】
A. exercise
B. program
C. study
D. research
【C6】
A. earliest
B. greatest
C. fewest
D. latest