－－ Can I help you？－－－ ____A. Nice to see youB. Yes, pleaseC. Not at all

— Could I help you with your heavy box？ You are so tired— _____________. I can manage it.A．No.thanks

【D1】SPEAKER A:EXCUSE ME. CAN YOU HELP ME？ SPEAKER B:【D1】______WHAT CAN I DO FOR YOU？ SPE

【D2】SPEAKER A:EXCUSE ME. CAN YOU HELP ME？ SPEAKER B:【D1】______WHAT CAN I DO FOR YOU？ SPE

【D3】SPEAKER A:EXCUSE ME. CAN YOU HELP ME？ SPEAKER B:【D1】______WHAT CAN I DO FOR YOU？ SPE

Receptionist: Can I help you? Customer:______ Where do I pay my fees?A.Yes please.B.Thank

— Could I help you with your heavy box? You are so tired— _____________. I can manage it.A.No.thanks