初中英语语法 时态专项练习（1） 1. Sales of CDs have greatly increased since the early 1990s, when people _ to enjoy the advantages of this new technology.A. begin B. beganC. have begun D. had begun2. Turn on the television or open a magazine and you _ advertisements showing happy families.A. will often see B. often seeC. are often seeing D. have often seen3. I hear Jane has gone to the Holy Island for
