You have to wear a helmet and a life jacket for protection, just ___ you fall into the water.A. in case C. unless C. though D. as
284. Unexpectedly, Maggie came out of the cage and ____ the letter from her and began to read aloud.
283. We love peace and______ peace, knowing that peace is the climate of freedom
282. I think they have gone to the airport to _____ their daughter ______.
281. The shop______ its summer stock to be ready for the new winter goods.
280. John _sat at the head of the table with his wife next to him. Which of the following can’t replace the underlined word.