After he lost his job, he _____ debt and eventually paid it off.
---You haven’t said one word about the design, Joe. What’s your idea? ---Sorry. I________about something else.
--Have you found your book yet? --- No, I’m not sure where I________ it?
.I want to buy that kind of cloth because I__________the cloth_________well.
___________it__________to rain tomorrow , the sports meet would be put off until the same time next week.
Going on a trip_______be expensive and difficult , so making a plan is necessary. A. must B. ought to C. shall D can