第17题: [单项选择]I can’’t ______what has happened to the vegetables, for they were freshly picked this morning. A. figure out B. draw out C. look out D. work out 参考答案:A 答案解析:figure out意为“了解,弄清楚”,如:I couldn’’t figure out who he was.我想不出他是谁。draw out 意为“拉长”,如:He heated the met