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王老师:19139051760(拨打)
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第1题

单选4. We're using technology to ______our levels of service.
·enhance\t
·extend
·expand
·amplify
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第2题

单选3. Several problems have ______recently over questions of pay.
·risen
·raised
·arisen
·aroused
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第3题

单选2. Larry always blames me ______anything goes wrong.
·wherever
·whenever
·however
·however
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第4题

单选1. He found himself______othe ground whehe woke up.
·lie
·lying
·to lie
·laying
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