Correct the errors in the following sentence.
Sandra usually finishes a crossword puzzle in an hour, this one really has stumped.
Sandra usually finishes a crossword puzzle in an hour, but this one really has stumped.
Correct the errors in the following sentence.
Sandra usually finishes a crossword puzzle in an hour, this one really has stumped.
Sandra usually finishes a crossword puzzle in an hour, but this one really has stumped.