题目内容
| It never occurred to humans until the mid-1990s _____ some animals can be cloned. |
A. where B. that C. when D. what |
试题答案
BIt never occurred to humans until the mid-1990s some animals can be cloned.
A. where B. that C. when D. what
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It never occurred to humans until the mid-1990s ______ some animals can be cloned.
A. where B. that C. when D. what
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B. that
C. when
D. what
It never occurred to humans until the mid-1990s ______ some animals can be cloned.
A. where B. that C. when D. what
查看习题详情和答案>>It never occurred to humans until the mid-1990s ______ some animals can be cloned.
A. where B. that C. when D. what
查看习题详情和答案>>It never occurred to humans until the mid1990s ________ some animals can be cloned.
A．where B．that C．which D．what
查看习题详情和答案>>It never occurred to humans until the mid-1990s _____ some animals can be cloned．
A．where B．that C．when D．what
查看习题详情和答案>>It never occurred to humans until the mid-1990s ________ some animals can be cloned．
where
when
that
what
It never _____ humans until the mid1990s that some animals can be cloned.
|
A．occur |
B．is occurred |
C．occurred to |
D．occurred |
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