题目内容
----Where’s Li Lei? ----Over there. I heard him _____when I came.
| A．singing | B．sang | C．sings | D．to sing |
A
解析试题分析：句意:李磊在哪？那边呢，当我进来的时候，我听到他正在唱歌。根据when I came，应用hear somebody doing，故选A。
考点：考查非谓语动词。
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