A. hand B. without doubt C. ambulance D. ride A. lock B. by the end of C. bathtub D. astronaut A. sharp B. terrace C. practise D. ecology A. Wednesday B. plateau C. branch D. service A. training B. hitchhike C. none D. kiwi fruit A. rock B. article C. personal D. presumptuous A. slip B. belong to C. grind D. in return A. bullfight B. scary C. by the way D. full-length A. positive B. tomorrow C. careful D. egret A. encroaching B. full of C. unfortunate D. soda