We keep the Spring Festival at home. 25．key(熟义：n.钥匙，答案)
________
The key factor in their success is hard work. ________
26．kid(熟义：v.小孩)
Take it easy.I'm just kidding. ________
27．kill(v.杀掉，害死)
That guy hangs around all day long，just killing time. ________ 答案 21.v.塞进，塞满；vt.堵塞；n.堵塞，困境 22.n./v.大幅度上涨 23.adj.公 正的 24.vt.管理，经营；vt.照顾；vt.养活，饲养；vt.售卖；vt.遵守；vt.庆祝 25.n.&
adj.关键(的)，关键性的人物 26.v.开玩笑；欺骗 27.v.消磨(时间)
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