Land animals are believed ______ from sea animals. A．to have developed B．to have been developed C．ha...
2023-01-18 08:09:24 128次 2010-2011学年浙江省高三第一次质量检测英语卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Land animals are believed ______ from sea
animals.
|
A．to have developed
|
B．to have been developed
|
|
C．having developed
|
D．having been developed
|
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