LiLeioftenhelpshisfather________t

发布时间：2020-07-25 22:45:33

Li Lei often helps his father ________ the farm ________ his farm work.A.with; withB.on; atC.on; withD.with; on

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C解析解析：on the farm在农场，help sb with sth帮助某人做……。
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