A. on one's mind B. channel C. form D. clue A. online B. salesman C. homestay D. city A. test B. redwood C. California D. walking A. in all directions B. culture C. strain D. do shopping A. tornado B. at the end of C. at work D. compartment A. certain B. lamb C. page D. pedestrian A. keep up with B. rust C. impatient D. guest A. fault B. weight C. break D. fortune-teller A. packing B. apologetic C. purchasable D. daily life A. at that time B. defeat C. so much for D. shorts