A. medical B. for the first time C. real D. explorer A. living room B. have a look C. meet with D. serious A. seed B. sensation C. learner D. pole A. symbol B. ago C. announcer D. wallet A. eve of the Spring Festival B. risk C. necessary D. banana A. aircraft B. build C. shilling D. compound A. contents B. fall off C. shatter D. alter A. chat B. side by side C. lie D. key ring A. premise B. conscience C. space D. gutter A. crash B. elaborate C. paw D. angrily