A. geography B. why not C. lightning D. bought A. sensitive B. Saturday C. tip D. quilt A. annual B. Thursday C. amused D. clock A. proposition B. from C. keep up D. go straight on A. for a start B. chemistry C. Friday D. there A. in a way B. P.M. C. Olympia D. tetrahedron A. math B. vary from to C. train station D. safe A. blindness B. never mind C. science D. condemn A. history B. investigate C. in search of D. sweep up A. shy B. wool C. ego D. festival