23. Chameleons serve as an example of camouflage as they can blend in the surrounding by changing the colors of their skin.
(A) serve as
(B) blend in
(C)the surrounding
(D) changing
(E)their
詳解 (共 1 筆)
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Surrounding 是形容詞,sur...
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23.變色龍題目給複數,所以用serve...