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

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

It worried her a bit that her hair_______ grey.

　 A. was turning 　 B. has turned  C. turns 　 D. will turn

It worried her a bit _____________ her hair was turning grey

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

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

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

It worried Mary a lot__________she would pass the college entrance examinations.?

A.whether             B.if                      C.that                   D.how?