A.Using the knife to cut it.B.Using the table utensils to eat it.C.Using fingers to break it.D.Using the spoon to crumble it.
A.noseB.faceC.foreheadD.mouth
A.before contract or confirmation is signed by buyers and sellersB.when the buyers want to open a letter of creditC.when the buyers and sellers finished the transactionD.after contract or confirmation is signed