The River Nile _______ flood large areas, but now the water of it _______ produce electricity.
The islands developed on their own for 80 million years and ________ have many rare animals found nowhere else.
She is a crazy fan of this singer. ________ she listens to his songs hundreds of times, she will never get tired.
Everyone in our class was working hard and doing what we could ________ a good university.
QQ, ________ you can chat with your friends, makes communication easy.
I was watching the news on TV ________ the power went off.