【单选题】听力原文:M: On my way up to our company I found this wallet in the elevator. What do you think I should do? W: As far as I am concerned, there is no other option than to take it to the receptionist. The l...
【单选题】(2013·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?