A. suitcase B. strength C. speak D. fall down A. air conditioning B. hardly ever C. buy D. immaculate A. uncle B. lash C. understand D. lure A. student B. zigzag C. submerge D. suddenly A. hurriedly B. block out C. move D. collect toy cars A. pleasantly B. remember C. immensity D. highly A. potato B. pair C. archway D. competitor A. stayed B. virtual C. smile D. give A. thirstily B. wisely C. tired D. grand A. CD B. suffice C. driftnet D. bus stop