A. pay for B. knock on C. horse D. air hostess A. lovely B. successful C. helper D. inadequate A. continuously B. end C. Danish D. farm A. shopping B. pig C. futile D. notice A. inspect B. press C. fast D. aah A. bee B. identification C. labyrinth D. pleasantly A. why B. bacteria C. flee D. read out A. database B. run-down C. butterfly D. bone A. sink B. animal C. bathroom D. battery A. elephant B. colony C. warmth D. poster