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do some practice还是do some practices单数还是复数?
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do some practice还是do some practices
单数还是复数?
单数还是复数?
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do some practice
practice没有复数形式.practice作名词,前面无定冠词the时,后跟介词in,而有定冠词the时,后跟介词of,例：practice in piano,the practice of piano
practice没有复数形式.practice作名词,前面无定冠词the时,后跟介词in,而有定冠词the时,后跟介词of,例：practice in piano,the practice of piano
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