注:选择哪个说一下理由!
1Thereis_____invitationcardfromJohnonmydesk.
A.aB.anC.theD./
2Thisschoolis____thantheotherschoolsintheUS.
A.oldB.olderC.theoldestD.theolder
3Anna'sbirthdayiscoming.Herparentsarepianning_______abirthdaypartyforher.
A.haveB.tohaveC.havingD.tohaving
Canyoutellmewhatyoudid_______yourschoolopenday?
A.onB.inC.atD.to
第一题的invitation是特制的么?是要定冠词吗?