It worried her a bit ________ her hair was turning grey．

1. A.
   while
2. B.
   that
3. C.
   if
4. D.
   whether

It worried her a bit _____________ her hair was turning grey.

  A. which     B. that    C. if    D. for

 It worried her a bit ____ her hair was turning grey.

It worried her a bit________ her hair was turning grey.

A. while　　 B. that　　 C. if　　　 D. for

It worried her a bit ________ her hair was turning grey．（MET'92，24）

1. A.
   while
2. B.
   that
3. C.
   if
4. D.
   for