Identify the incorrect punctuated sentence.

A. Be careful not to mix household cleaners, for that can be dangerous.
B. I will wash the windows, and you clean the floors.
C. The windows have been washed, but they still look dirty.
D. This product is, for cleaning glass.

1 answer

The incorrect punctuated sentence is:
D. This product is, for cleaning glass.

The correct punctuation would be:
D. This product is for cleaning glass.