You _______ here last week if you were really worried about your work.
—Were you pleased to watch the short story play by Zhao Benshan and Song Dandan at the Spring Festival Evening? —______ pleased,even excited.
I don't know why you're so concerned—it isn't your problem______.
Julie was ______ with Joanna for applying for the same job.
He failed to ______ himself to the new environment.
—What do the letters “DOS” ______? —Disk Operating System.