优题课 - 聚名师,上好课(www.youtike.com)
  首页 / 试题 / 高中英语 / 试题详细
  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:1517

Mark needs to learn Chinese________his company is opening a branch in Beijing.
(2013·山东,26)

A.unless B.until
C.although D.since
登录免费查看答案和解析

MarkneedstolearnChinesehiscomp