. He removed the tree ____________ it was the best in the ground.

A. when               B. if                       C. because                  D. as

She removed     hat she was wearing and tried on _____ black silk one．

         A．a; a    B．the; the      C．the; a          D．a; the

She removed      hat she was wearing and tried on _____ black silk one.

A. a; a                         B. the; the                           C. the; a                     D. a; the

She removed      hat she was wearing and tried on _____ black silk one.

1. A.
   a; a
2. B.
   the; the
3. C.
   the; a
4. D.
   a; the

He removed the tree ____________ it was the best in the ground

1. A.
   when
2. B.
   if
3. C.
   because
4. D.
   as