扫码购买正式版题库

  • 海量题库
  • 全真模拟
  • 专项训练
  • 预测试题
  • 押题密卷
  • 错题强化

Such animals as South China tigers are believed_______, for we’ve had no track of them for ages.

单选题
Such animals as South China tigers are believed_______, for we’ve had no track of them for ages.

Abecoming extinct

Bto become extinct

Cto have been extinct

Dhaving been extinct

最新更新

易过题库在线搜题

热门题库