A. later on B. risk C. breathe D. agent A. woman B. knee C. youth D. join in A. get in touch with B. to one's surprise C. away D. regard A. lighter B. softball C. cut off D. adaptation A. post office B. blood C. the Olympics D. hybrid rice A. fingernail B. appearance C. tanker D. What's the matter A. tram B. rainstorm C. situation D. thunder A. be harmhul to B. cough C. half an hour D. take down A. give up B. specially C. cosmetic D. dispose A. egg B. run out C. disagreement D. deem