A. threat B. challenge C. doubt D. the day after tomorrow A. carried B. wide C. disease D. material A. lay out B. advise C. Asia D. firmly A. eliminate B. run down the stairs C. delicacy D. take in A. excitement B. secondary C. intimidate D. rap A. or so B. in top form C. plus D. block A. tourist B. professional C. optional D. relative A. sandstorm B. whale C. dance music D. a cup of A. statistics B. illness C. cruelty D. engineer A. astronomer B. awake C. charity D. distinguished