Could you sign the register,please?Of coures.这句话语法对么?

Could you sign the register,please?Of coures.这句话语法对么? A: Could you sign the register, please? B: ________A.Yes, please. B.Yes, of course. C.No, thank you. B,Could you sign MayChan's contract agreement extension? 105723:A:could you just sign here,105723:A:could you just sign here,please?and here's your key card.B:thanks.can we get a wake-up call?A:you can set up from the phone in your room.想知道的语言点：1—could you just sign here：怎么翻译?2 Could someone tell me what does this sign mean in mathematics?The sign ^. see cannot the sign there you over ) when you see the sign turn leght Excuse me.could you tell me where the ____museum is?1Excuse me.could you tell me where the n____museum is?2Well,it's a big f_____3Right behind you,sir.S_____that sign? you could travel the — I wonder if I ____ smoke here.— No,you _______.Could you see the sign “No Smoking” there?— I wonder if I ____ smoke here.— No,you _______.Could you see the sign “No Smoking” there?选项:a、can,needn’t b、shall,won’t c、must, could you help me get a r-----?certainly ,please get into the car 填词 Could（would） you please sign here?这两个有区别吗 大虾这写得对吗:B,Could you sign (this) MayChan's contract extension? Hi,Tim,this is MayChen's extension labour contract,could you sign it? Could you let me get a (r ) Look at the sign.You can( )your car here Can you e____the meaning of the sign for me? look at the sign!you can not b__your dog here