—What do you think of Peter?—He ______ be really difficult to get along with even though he’s a nice person in general.
Was it in the factory_____ you worked five years ago___ you learned the technique?
What is most obvious in this book are all those details of daily living which make Mrs. Richard _____ common.
The firemen managed to _____ the fire in time.
It was a great _____ for him to be pleasant to people he didn't like.
He has impressed his employers considerably and _____ he is soon to be promoted.