12．-Why did you go back to the shop？
-I left my friend ____ there．（　　）
A．waitingB．to waitC．waitedD．wait

分析 -你為什么回到店里？-我讓朋友一直在那等著呢．

解答 答案：A 短語(yǔ)搭配，leave sb doing sth讓某人一直做某事，表達(dá)進(jìn)行；leave sb to do sth留下某人去做某事，表達(dá)未發(fā)生．句意表達(dá)等的動(dòng)作在發(fā)生，故選A．

點(diǎn)評(píng) 現(xiàn)在分詞是非謂語(yǔ)動(dòng)詞的一種，表達(dá)主動(dòng)或進(jìn)行；過(guò)去分詞表達(dá)被動(dòng)或完成；動(dòng)詞不定式表達(dá)未發(fā)生的動(dòng)作．學(xué)習(xí)時(shí)，要注意區(qū)分和掌握．

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