A. invent B. don't C. expose to D. vast A. more B. a great many C. shortage D. course A. wait for B. die down C. human D. rival A. steer B. quite C. detect D. unreasoning A. ninety B. disabled C. vaccination D. punish A. places of interest B. bound C. advertisement D. mine A. industriousness B. seashore C. compare D. bump A. pennant B. trunk C. revision D. even A. pencil sharpener B. nosebleed C. Benz D. family A. cleverly B. historian C. theme D. speed