【導(dǎo)讀】A.DidyoupayB.HavepaidforC.HaveyoupaidD.Haveyoubought. A.That’sdifficultB.I’mdifficultC.It’sdifficultformeD.Ifeel. A.invitesmeB.hasinvitedmetoC.invitedmeD.haveinvited. A.Do,finishB.Are,finishingC.Did,finishD.Have,finished. A.haveagoodtimeB.happyC.enjoyedourselvesD.enjoyedoneself. A.writedownitB.writeitdownC.writedownthemD.writethem