At the end of the year 2010, some specie
问题:
At the end of the year 2010, some species of birds ddn’t survive the _____ winter in some European countries.
A.severe
B.serious
C.mild
D.extreme
At the end of the year 2010, some species of birds ddn’t survive the _____ winter in some European countries.
A.severe
B.serious
C.mild
D.extreme