It never humans until the mid1990s that some animals can be cloned.
A. occur
B. is occurred
C. occurred to
D. occurred
It never humans until the mid1990s that some animals can be cloned.A. occurB. is oc
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解决时间 2021-04-15 16:36
- 提问者网友：夢醒日落
- 2021-04-15 10:19
最佳答案
- 五星知识达人网友：詩光轨車
- 2020-02-04 16:21
A. occurB. is occurred(答案→)C. occurred toD. occurred解析：It occurs to sb that 某人突然想到...，occur to 发生，突然想到。。。句意：直到20世纪中期人类才突然想到克隆出一些动物。
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- 1楼网友：詩光轨車
- 2020-07-21 17:08
好好学习下
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