(·长沙二模)—The research on the new flu virus vaccine is challenging and demanding.Who do

问题补充：

(·长沙二模)—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

答案：

A. May

B. Must

C. Will

(答案→)D. Shall

解析：选D考查情态动词。句意：“新的流感疫苗的研究是具有挑战性而且要求很高的。你认为谁能做这个工作？”“我的学生可以试试吗？”情态动词shall用于第一、三人称的疑问句时，表示请求。