以下几个空填什么介词?拜托了1,They engaged_____a serious discussion for several hours without reaching any important decisions.2, We hope all childre...
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回复(7) 2010-01-28 09:06 来自版块 - 
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yudyfishmuch appreciated(2010-01-29 20:29)
Teacherhei3 on leave 在休假中(2010-01-28 21:38)
yudyfish多谢,不过第三个前半句是什么结构?我看不懂(2010-01-28 21:23)
Teacherhei4.on(2010-01-28 10:45)
Teacherhei3on(2010-01-28 10:45)
Teacherhei2of 没有 [ 本帖最后由 Teacherhei 于 2010-1-28 10:45 编辑 ](2010-01-28 10:42)
Teacherhei1engage in (1). 啮合,接合[(+with)] (2). 交战,交手[(+with)] (3). 从事,参加[(+in/upon)] They engage in the study of music. 他们从事音乐研究。 (4). 保证;答应(2010-01-28 10:40)

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