A. often B. teacup C. fingerprint D. safety A. the United States B. domesticate C. hope D. night A. supermarket B. travel C. firmly D. advertise A. digest B. game C. cheek D. stable A. walking B. talk to C. send D. far A. attention B. four C. Internet D. priority A. milkweed B. information C. fascinating D. progress A. pencil sharpener B. put down C. click D. suspect A. useful B. uncanny C. use D. same A. floor B. finally C. vote D. power cut