After a long walk, the old man felt very _________. A. luck B. tired C. relaxing
---Be careful. You might fall into the river.---Thank you. I ________ I ________ so close to it.
Mary, along with her parents ________ Hainan for a week and they will come back soon.
That little boy preferred ________ out to play rather than ________ TV at home.
________ information! I hear you have finished writing a ________ report.
If you want to buy an expensive camera, we have several models for you ________.