3.TV, radio, newspapers are __________ A. big medium B. big media C. mass medium D. mass media 12.She is very tired ___________ she goes on revising the lesson. A. because B. so C. but D. and 13.___________ reducing water pollution? A. Why not B. Why don’t you C. Won’t you D. How about 15.I look forward to hearing from you and seeing good respond ___________ your company. A. in B. from C. for D. to 18.Customers made ___________ about the way they were treated. A. treasure B. disappointment C. complaints D. Conservation 19.Don’t throw trash ___________ the water. A. onto B. on C. in D. to