The secretary worked late into the night, ______a long speech for the president.

1. A.
   to prepare
2. B.
   preparing
3. C.
   prepared
4. D.
   was preparing

The secretary worked late into the night, ______a long speech for the president.

          A. to prepare   B. preparing   C. prepared    D. was preparing

The secretary worked late into the night, _____a long speech for the president.

A.     to prepare  B. preparing  C. prepared  D. was prepared

The secretary worked late into the night, _____ a long speech for the president.

The secretary worked late into the night, ______ a long speech for the president.