21.A. time B. way C. method D. habit22.A. evaluate B. expose C. encourage D. envy23.A. delights B. annoys C. interests D. attracts24.A. rainy B. dry C. sunny D. cloudy25.A. met B. noticed C. passed D. saw26.A. cents B. suggestions C. books D. roses27.A. turned around B. looked up C. looked down D. stood up28.A. asked B. handed C. bargained D. begged29.A. wet B. burnt C. lost D. dirty30.A. cheerfully B. clumsily C. eagerly D. silly31.A. said B. spoke C. wrote D. told32.A. miss B. blame C. leave D. support33.A. hesitating B. exploring C. searching D. struggling34.A. many B. much C. another D. more35.A. touched B. reached C. watched D. looked36.A. took out B. gave out C. handed in D. made out37.A. take back B. come back C. pay back D. get back38.A. why B. how C. where D. whether39.A. lookers-on B. passers-by C. foreigners D. strang