Since we (computer) ______ the bookkeeping system, no errors have occurred.

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问题 Since we (computer) ______ the bookkeeping system, no errors have occurred.

选项

答案computerized

解析 根据句子结构,这里需要一个动词作从句谓语。computerize,动词,意为“使计算机化”,根据句意,应为过去时。
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