according to a recent study,animals in the wild have life sp
according to a recent study,animals in the wild have life spans------their relatives in zoos
a twice those or more of b twice that or more of
c that twice or of more d that twice or more of
选哪个 为什么
a twice those or more of b twice that or more of
c that twice or of more d that twice or more of
选哪个 为什么
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