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--- The research is difficult. Who do you think can do the job?

---       my students have a try?

--- The research is difficult. Who do you think can do the job?

    ---       my students have a try?

       A．Will  B．Shall C．Must D．May

--- The research is difficult. Who do you think can do the job?

---       my students have a try?

A．Will          B．Shall           C．Must           D．May

--- The research is difficult. Who do you think can do the job?
---       my students have a try?

 --- The research is difficult. Who do you think can do the job?

    ---       my students have a try?

       A．Will                     B．Shall                   C．Must                   D．May