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Atthattimeofyear,

練習題1.02W

問題詳情:

Atthattimeofyear,

At that time of year, _________ birds fly here from the north to spend the winter.

        A. a thousand of      B. a thousands of     C. thousand of     D. thousands of

【回答】

D

知識點:數詞

題型:選擇題

標籤:Atthattimeofyear