— Who has done that again? — _______ you ask? Little Tom, of course!

—Could I use your phone? —Yes, of course you ____ .

—________ you open the window, please? —Yes, I can.

Generally speaking, there _______ be any survivors(幸存者) after such a long time. However, two young people were found _______. Life is super-nature!

(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?