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7. My mother always says we should think things through before ________ anything.
(A) doing
(B) I am doing
(C) do
(D) to do

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業精於勤，事立於豫 研一下 (2017/10/15)
(考文法) My mother alw☆☆☆ ☆☆☆☆ ...


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7. My mother always says we should think..-阿摩線上測驗