A. toilet B. tetrahedron C. all one's life D. require A. supply B. incidentally C. environmental D. impossible A. replace B. invite C. record D. die A. wealthy B. asleep C. vet D. deliver A. umbrella B. soft C. knock D. renew A. alone B. competence C. bell D. coin A. note B. laser C. album D. glasses A. build up B. swallow C. ballad D. rely on A. cousin B. mouth C. pretentious D. latch A. later B. allow C. India D. attach