A. for example B. flush C. Canberra D. cash crop A. unless B. bin C. lifetime D. happy birthday A. prevent B. mental C. sleepy D. all-time A. what day is it today B. stay out C. to start with D. someday A. greatly B. what a pity C. what about D. harbour A. tick B. affect C. reform D. Window of the World A. global B. boundary C. building block D. attach to A. exact B. handbag C. packaging D. amateur A. decay B. unbearable C. birthday D. free A. tug of war B. sickness C. deduction D. seedling