1. My family has decided to use ….……. electricity by using more solar energy instead.  A. more B. less C. much D. fewer 2. She studied very hard, ………………. she passed all the exams. A. so B. and C. because D. but 3. All of them enjoy ………………. to rock music . A. to listen B. listening C. listen D. to listening 4. My friend is interested in riding a horse. He rides a horse three ………………. a week. A. time B. a time C. times D. timings