I had a fight with my brother this morning.      — _________

One minute she burst into ______and the next minute burst out _______We just couldn’t catch her mood (情绪)at any moment

My grandfather me a postcard from New York last week.

What a pity! He____________ the only chance of success．

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?