A. so B. winch C. lose heart D. undertake A. careful B. match C. arduous D. creep A. talk B. love C. replace D. grade A. narrowly B. battlefield C. composer D. hear A. wardrobe B. sentence C. phase D. himself A. play B. pester C. foolish D. stay in touch with A. dusty B. abstract C. themselves D. document A. key B. chorus C. upon D. camel A. of one's own B. blink C. automatic D. yourself A. pioneer B. drive C. jacket D. mammoth