A. desertification B. find out C. emission D. doorway A. be divided into B. do C. rational D. mouthful A. capacity B. variant C. deadline D. of one's own A. radio astronomer B. resemble C. babysit D. PC A. eve of the Spring Festival B. rode C. sanguine D. premise A. preliminary B. glare C. fever D. raft A. confusion B. mummy C. sophistication D. tennis A. by bus B. encroaching C. preferential D. aren't A. game B. the White House C. controversial D. Southampton A. cellar B. orphan C. tiny D. barbarian