Sally worked late in the evening to finish her report ________ her boss could read it first the next morning.

1. A.
   so that
2. B.
   because
3. C.
   before
4. D.
   or else

Sally worked late in the evening to finish her report ________ her boss could read it first next morning.

A. so that     B. because

C. before      D. or else

Sally worked late in the evening to finish her report ____ her boss could read it first thing next morning．

Sally worked late in the evening to finish her report ____ her boss could read it first thing next morning．

Sally worked late in the evening to finish her report ____ her boss could read it first thing next morning．

A．so that            B．because           C．before            D．or else