首页 / 高中英语 / 试题详细
  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 1234

35. 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
登录免费查看答案和解析

35.SalesofCDshavegreatlyincrea