The river ______ in the late summer, so we could go across it easily.

1. A.
   dried out
2. B.
   dried up
3. C.
   dried off
4. D.
   dried down

.

 The river _______ in the late summer, so we could go across it easily.

   A. dried out           B. dried up             C. dried off          D. dried down

.
The river _______ in the late summer, so we could go across it easily.