A feather falls slower than a stone only
题型:选择题
问题:
A feather falls slower than a stone only because the air holds the feather back more than it ______ the stone.
A.does
B.holds
C.will
D.is
A feather falls slower than a stone only because the air holds the feather back more than it ______ the stone.
A.does
B.holds
C.will
D.is