Explain what is wrong with the following sentence and revise as needed to correct the problems: " While repelling from the cliff, my backpack slipped and fell to the canyon floor."
http://www.answers.com/topic/repel
http://www.answers.com/topic/rappel
Was it you or your backpack that was rappelling?
The problem with the given sentence is the improper use of the word "repelling." If you meant to describe descending a cliff using a rope, the correct term would be "rappelling," not "repelling." To revise the sentence, we can make a few changes:
"While rappelling down the cliff, my backpack slipped and fell to the canyon floor."