题目内容
(请给出正确答案)
提问人:网友yangshunjun
发布时间:2022-01-07
[主观题]
____ find their way home still remains a mystery to biologists.
A、How pigeons
B、That pigeons
C、Since pigeons
D、Pigeons
简答题官方参考答案
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A、How pigeons
B、That pigeons
C、Since pigeons
D、Pigeons
A、taken
B、taking
C、to take
D、being taken
A、that
B、how
C、is how
D、that is
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