So were you in what you were doing that I dared not make any sound when I came in.
So sudden _____ that the enemy had no time to escape.
Mary and I see each other ______, but not as often as we used to.
Amy joined a painting group but didn’t seem to _____, so she left.
Sorry, LiMing, I’m afraid I have to ______. Someone is calling me.
Jack went back home after a heated discussion, _______.