Though Lei Feng ________ for fifty years, we are still learning from his spirit.

With the development of science and technology, news can be_______ to every corner of the world in seconds.

Do the poor have enough houses ______?

What were you doing when I called you at 8 p.m. yesterday?—I the piano at that time.

Excuse me , would you please speak a little more ____?—Sorry, I thought you could follow me.