A. throughout B. a great number of C. near D. please A. postcard B. the C. toss D. that A. potassium B. on one's own C. hot D. listen to A. draft B. rendezvous C. front D. rubber A. balloon B. turn out C. silt D. blackboard A. taxi B. mail C. come in D. lad A. dioxide B. sit down C. customs D. hair clip A. agriculture B. photographer C. parrot D. theoretical A. not so good B. book C. housework D. activity A. marquis B. stand up C. meteorologist D. annoyance