A feather falls slower than a stone only because the air holds the feather back more than it ______ the stone.

A feather falls slower than a stone only because the air holds the feather back more than it ______ the stone

1. A.
   does
2. B.
   holds
3. C.
   will
4. 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

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.