问题
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【D1】SPEAKER A:EXCUSE ME. CAN YOU HELP ME? SPEAKER B:【D1】______WHAT CAN I DO FOR YOU? SPE
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【D2】SPEAKER A:EXCUSE ME. CAN YOU HELP ME? SPEAKER B:【D1】______WHAT CAN I DO FOR YOU? SPE
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【D3】SPEAKER A:EXCUSE ME. CAN YOU HELP ME? SPEAKER B:【D1】______WHAT CAN I DO FOR YOU? SPE
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【D5】SPEAKER A: GOOD MORNING, SIR. CAN I HELP YOU? SPEAKER B: YES, I" M LEAVING TODAY. CAN
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【D6】SPEAKER A: GOOD MORNING, SIR. CAN I HELP YOU? SPEAKER B: YES, I" M LEAVING TODAY. CAN
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【D7】SPEAKER A: GOOD MORNING, SIR. CAN I HELP YOU? SPEAKER B: YES, I" M LEAVING TODAY. CAN