請問英文文法2題 - 考試

※ 引述《zozo1217 (來自星星的你~好聽)》之銘言：
: [考題] 國考歷屆考題與考題觀念討論(書裡看到的選這個)請附上想法、出處
: 1. An earthquake struck Japan yesterday, _____ many lives.(104 郵局英文)
: 1)taking 2)took 3) taken 4) to take
: ANS: 1) taking , 請問 3)taken 被動 為什麼是錯???
: 2. After I saw the movie, I was shocked by _____ humans have done to
: the earth. (104 郵局英文)
: 1) that 2) which 3) what 4) how
: ANS: 3) what ,請問 2)which 為什麼不可以選???
: 文法比較差的我 請幫我解題謝謝^^

(1)
句子還原:
An earthquake struck Japan yesterday (which took) many lives.
(which took=talking) 原句子是主動非被動，故不用taken(which was taken不符語意)

(2)
After I saw the movie, I was shocked by (what) humans have done to the earth.
(what=those which/that which)
what是複合關係代名詞，它等於先行詞(that/those)+關係代名詞(which)

我的解法是這樣子，如果有錯誤煩請指教～

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