She ______ your birthday. But she had to put work first.
I’m fine — I just felt a bit sleepy and tired, that was ________ I went to bed so early."
—why, Jack, you look so tired! —Well, I _____the house and I must finish the work tomorrow.
—I’ve told Nancy many times about the meeting, but she still forget it! —I understand. Actually, anyone ______ be very forgetful at times.
Having a trip abroad is certainly good for the old couple, but it remains _____ whether they will enjoy it.
She was so _____ in her job that she didn’t hear anybody knocking at the door.