She is a bit shy and _______ stand up and answer the teacher’s questions.

—Did you go to the fashion show last week?—I ________，but I was fully occupied the whole week.

The project ______ last month but unfortunately it had to be prolonged because of the financial problem.

If you _______ just wait for a moment, I’ll try to find your papers.      

—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?