A. how old B. me C. make a difference D. at the speed of A. You're welcome B. grandchildren C. tofu D. nod A. park B. describe C. sexual D. of A. predict B. do C. confidently D. manned A. achievement B. of course C. annoyed D. orphan A. discern B. flower C. in surprise D. northwestern A. marker B. snorkel C. cat D. fashion show A. province B. sculptor C. technique D. OK A. tablecloth B. help C. differently D. billion A. magazine B. run down the stairs C. rice D. green