搜题
王老师:19139051760(拨打)
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第1题

We need to speak further about this. This sentence means we need to discuss the problem more.
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第2题

The engineer hasn’t got time to track down the problem. To track down’ means to find out
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第3题

be composed of由以下部分组成
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第4题

Could you charge it to my room? “charge here means to add it to his account so he can pay foritlater.
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