A. happen B. even if C. chest D. knight A. steward B. smoker C. click on D. flint A. chemical B. plant flowers C. solitary D. congratulations A. worst B. crazy C. in the afternoon D. press A. show sb around B. push-up C. ugly D. recovery A. be interested in B. sick C. goodwill D. keeper A. keep in touch B. thumbs-up C. turtle D. beat A. one hundred B. by oneself C. middle D. thief A. imagination B. futile C. clear D. voluntary A. sterile B. divide into C. religious D. having class