Question
Sunlight hits the solar cells on the backpack. The solar cells change sunlight into electricity. The electricity is stored in the battery. A cell phone or an MP3 player can be plugged into it.
(In this passage, what does 'it' refer to in the last sentence?)
(In this passage, what does 'it' refer to in the last sentence?)
Answers
Writeacher
Would you plug the cell phone or MP3 player into the backpack? or the battery? Nothing else is mentioned.