A. are B. ambulance C. of course D. favor A. sunglasses B. hybrid rice C. disgrace D. blackboard A. tourist office B. orange C. hop D. I think so A. enlightened B. inmost C. blue D. thankfully A. environmentalist B. that C. catchy D. have to A. communication B. nitrogen C. throughout D. write A. know B. get off C. disappointed D. keep up A. red B. twentieth C. cricket D. you A. there are B. divide into C. amazement D. pencil A. secure B. and C. excite D. invitation