A. embarrassed B. commonplace C. congratulation D. thresh A. invent B. knowledgeable C. concerned D. aquaplane A. immediately B. balance C. blueprint D. arrest A. egg yolk B. glue C. joy D. ancient A. dumplings B. apparent C. deal D. shut off A. own B. England C. police station D. encroaching A. confess B. sb can't wait C. glad D. have lunch A. Infallibility B. pick apples C. revealer D. following A. bubble B. inland C. choir D. agree A. lemon B. cone C. overweight D. easy-going