A. are learning….from B. have learned ….from C.have come to know….of D.have been given ….from
A.required B.inquired about C. said D.informed
A. price B.discount C. sales volume D. cost
A.in demand B.demanded C.on demand D. for demand
A. many more B. better and better C. increasingly steady D. steadily increasing
A. terms B. term C. connection D. connections
A.rose B. have risen C.rising D.rise
A.should appreciate B. appreciate C. appreciate it D. would appreciate it
A. is; with B.are; from C. is; from D.be; with
A. . in B. of C.for D. on
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