IX.Choose the best answer A,B,C and D. 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 had,____________ she possed all 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