【題目】Some people have used acupuncture to treat smokers, alcoholics and people who drugs.

【答案】are addicted to
【解析】句意：有些人使用針刺療法來治療吸煙者、酗酒者以及吸毒者�！吧习a”be addicted to。定語從句的主語是先行詞people，謂語動詞用復(fù)數(shù)，根據(jù)have得知本句是一般現(xiàn)在時。因此填are addicted to。

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