Maryreallydoesn’tknow
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問題詳情:
Mary really doesn’t know __________ about it.
A. what to do B. how to do C. to do what D. how can I do
【回答】
A
知識點:非謂語動詞
題型:選擇題
標籤:
Maryreallydoesn tknow
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