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 中等
  • 浏览 298

The scientists are beating their brains trying to _______ a solution to the problem.

A.come about B.come across C.come out D.come up with
登录免费查看答案和解析

Thescientistsarebeatingtheirbr