Our English teacher was standing________usso that she could hear us all clearly.

It’s so surprising to hear from my school teacher again.,we last met more than twenty years ago.

______ is known to us all is that the old scientist, for ________ life was hard in the past, still works very hard in his eighties.

Mike used to be a top student, but he _______ behind since he lost himself in computer games.

—Are you coming to Jeff’s party —I’m not sure. I ____go to the movie instead.