22.
(A) which
(B) that
(C) where
(D) whether

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統計： A(14), B(9), C(24), D(3), E(0) #1575793

詳解 (共 3 筆)

#2707862
And we've known for ...
(共 268 字，隱藏中）
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#2387907
“And we’ve known for...
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#4570291

And going back to research in the early 70s, even going back to early explorer logs, for a long time we’ve known that polar bears will consume terrestrial based foods.

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