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More than three million doses were to be made available 求语...
曹老师，系表结被构也有动语态的吗？
回答于 2022-03-02 00:14
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不定冠词
表示作品吗，这里的Picasso当做普通名词使用 DET （用于艺术家名字前）一幅…的画，一件…的雕塑作品 You use a or an in front of the names of artists to refer to one individual painting or sculpture created by them.
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