A. gay B. tennis C. spy on D. ash A. umbrella B. independently C. practice D. total A. in fact B. row C. erupt D. eminent A. all over B. privilege C. loser D. caution A. soap B. be careful with C. person D. popular A. principal B. subjective C. scavenger D. part A. supreme B. lung C. plus D. ageing A. archaeologist B. postman C. shortly D. nitrogen A. elapse B. be good at C. convertible D. cost A. bad B. relativity C. stir-fry D. tolerant