摘要：4．We’re trying to ring you back.Bryan.but we think we your number incorrectly. A．looked up B．took down C．worked out D．brought about 解析:句意:我们一直在给你回电话.Bryan.但我们想我们把你的电话号码记错了.look up作及物动词时.意为:查找,看望.拜访,take down.write down.copy down写下.记下,work out解出.算出,bring about导致.产生. 答案:B

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