—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．Shall | D．Will |
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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．Shall | D．Will |
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