12. Whenever Joe went camping in the mountains, he _____ any water that he got from streams
before drinking it.
(A) purifies
(B) may be purifying
(C) would purify
(D) have purified
詳解 (共 1 筆)
未解鎖
went為過去式，選時態一致的(C)較為...
私人筆記 (共 1 筆)
未解鎖
would + 原形動詞，可以用來描述...
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