THEY SPEND MUCH MONEY ON PLAYING GAMES ON LINE.A. MUCH MONEY IS S...

37. They spend much money on playing games on line.A. Much money is spent on playing games on line.B. Much money has been spent on playing games on line.C. Much money is being spent on playing games on line.D. Much money was spent on playing games on line. Choose the best answer among (A, B, C or D ) that best completes each sentence or best substitutes the underlined word(s).