—The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?—____ my students have a try?

If people ______virtual reality holidays, we ______ on an around-the-world tour．

— I hear you’re got a set of valuable Australian coins. ______ I have a look ?— Yes, certainly. 

He ______ you more help even though he was very busy.

（2014年北京市西城区高三5月二模试题）30. — The professor gave a really good speech.  — I suggest you _____ him some specific questions about his work experience.