A. X-ray B. rudder C. crust D. library A. helicopter B. hurt C. carnival D. aching A. back B. progress C. basis D. pass A. downstairs B. lose oneself in C. century D. like-minded A. take a walk B. in a nutshell C. sure D. clamp A. journey B. stand up C. be similar to D. graceful A. crack B. yours faithfully C. boxer D. label A. at once B. atom C. beside D. educational A. pack up B. scour C. belong D. impose A. How are you B. slip C. striker D. mom