A. professional B. cold C. sympathetic D. acid rain A. queue B. cookbook C. electric D. layer A. tiny B. be likely to C. northern D. protect from A. German B. she C. clarify D. role A. punish B. spare time C. effectively D. settlement A. consistent B. spare C. drill D. keyword A. organ B. go into C. candle D. efficiency A. amused B. bridegroom C. wealth D. starfish A. hypothesis B. solar system C. seldom D. applause A. suffering B. full-time C. at war D. be known for