A. greenhouse B. skating C. own D. relaxed A. armchair B. acquaint C. boring D. Children's Day A. hami melon B. act C. a box of crayons D. can't help doing A. format B. undertaking C. South Africa D. paint A. uncomfortable B. wrestling C. famous D. guilty A. organization B. colony C. survey D. mattress A. the Spring Festival B. slide C. garbage D. ability A. skill B. inn C. busman D. trick A. ripe B. people C. lawyer D. cause A. weather forecast B. water C. which D. suddenly