Yesterday evening Tammy had just finished her homework ________ her mother asked her to practice playing the piano. A. while B. when C. until D. before 答案:B22、《醒世恒言》里有这样一首小诗:“山上青松山下花,花笑青松不如他。有朝一日严霜起,只见青松不见花。”请根据诗意,按照下面规定的两种情景,以“青松”和“花”为重点,分别扩展成一段话,每段不少于30字。(6分)
(1)春天 青松 花
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(2)冬天 青松 花
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