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1. Sales of CDs have greatly increased since the early 1990s, when people ________ to enjoy the advantages of this new technology. A. begin B. began C. have begun D. had begun 2. Turn on the television or open a magazine and you ________ advertisements showing happy families. A. will often see B. often see C. are often seeing D. have often seen 3. I hear Jane has gone to the Holy Island for her holiday. Oh, how nice! Do you know when she ________? A. was leaving B. had left C. has left D. left 4. What were you doing when Tony phoned you? I had just finished my work and________ to take a shower. A. had started B. started C. have started D. was starting 5. I ________ you not to move my dictionarynow I cant find it. A. asked B. ask C. was asking D. had asked | 
