The man stopped from time to time _____whether he was being followed
I didn’t quite ________ what you said, could you explain it again?
I don’t know why the colors ________ when I washed the coat.
He is a man of few words and it is hard to ________ his thoughts.
He is very tired working all day. Don’t ________ him waiting outside in the rain any longer.
In that country, guests usually feel that they are not highly ________ if the invitation to a dinner party is given only three or four days before the party date.