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 较易
  • 浏览 1228

____________ no doubt that 100 years ago animal testing was cruel but today animals in experiments are very well taken care of.

A.It is B.There is C.This is D.That is
登录免费查看答案和解析

nodoubtthat100yearsagoanimalte