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—The research on the new flu virus vaccine is challenging and demanding. Who do you think can do the job?     
—______ my students have a try?

A．May B．Must C．Will D．Shall

D

解析試題分析：考查情態(tài)動詞：shall用于第一、三人稱疑問句中?表示說話人征求對方意見或向?qū)Ψ秸埵?如：Shall he have a try?他可以試一下嗎？句意：——新禽流感病毒疫苗是很有挑戰(zhàn)性很難的。你認為誰可以做這個工作？——我的學(xué)生可以試一下嗎？選D項。
考點：考查情態(tài)動詞shall的用法

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