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:689

When a student asks        it is worth staying up doing their lessons, a teacher may find it difficult to answer.

A.that B.what C.whether D.how
登录免费查看答案和解析

Whenastudentasksitisworthstayi