He______(creep)up the stairs, trying to avoid the ones that creaked.

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问题 He______(creep)up the stairs, trying to avoid the ones that creaked.

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答案crept

解析 句意:他蹑手蹑脚地上了楼梯,尽量避免使楼梯嘎吱作响。此处缺少谓语动词,且表示过去的情况,应用动词的过去式crept,意为“缓慢或悄悄地行进”。
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