22.Not until the first land plants developed____ .
(A)would land animals appear
(B)did land animals appear
(C)land animals appeared
(D)the land animals appeared
詳解 (共 2 筆)
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不選 A 的原因很簡單would 這個字...
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倒裝句的用法潛規則https://tw....
私人筆記 (共 1 筆)
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Not until the first ...