A. stand up B. unemployed C. self D. ambulance A. fire extinguisher B. detail C. active D. sickness A. weather B. set up C. demon D. sky A. opinion B. empty C. Can I help you D. armchair A. pen friend B. clone C. mankind D. Signor A. criterion B. acid rain C. go down D. reward A. fee B. kilo C. niece D. review A. stomach B. script C. indescribable D. youth A. favorite B. charity C. kiwi fruit D. generous A. lost B. postcode C. art D. unfair