一、单选题（共 10 题）1.Shall I buy a ________ nuts for them? A.pieceB.barC.cakeD.packet2.I want to cook some food _______ the picnic. A.withB.forC.byD.on3.On their way________ home, Betty saw a lot of people near a bank. A.／B.toC.atD.in4.I have ________ uncle. He lives in Beijing. A.aB.a...
