—I've got to go now.—Must you? I __________ you could stay for dinner with us.
My dictionary ___, I have looked for it everywhere but still __ it.
When __ alone, the child will make trouble.
Peter __ come with us tonight, but he isn’t very sure yet.
---The computer cost him 20, 000 dollars. ---It ____ be that expensive.It’s a used computer.
The captain __ an apology to the passengers for the delay caused by bed weather.