Yellow Stone National Park is (one of) the (older) parks in the U. S. It (was established)

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Yellow Stone National Park is (one of) the (older) parks in the U. S. It (was established) by (Congress) in 1872.

A.one of

B.older

C.was established

D.Congress

热搜:关于park变换的物理意义,以下说法正确的是