(There is going to be)a birthday party in an hour.为什么是这种格式?

There is going to There is going to be _____a class meeting this afternoon.A.There is going to have B.There is going to beC.There will have D.There are going to have There ____ a football match after school.(A.is going to be B.is going to C.is going ( )there ( )a new film tomorrow?Yes,there is.A.ls;going to have B:Is;going to be C:Are; going to have D:Are; going to be There ____ an English film in our school tonight.A.is going to B.is going to have C.is going to has D.is going to be There()a football match next Tuesday Ais going to have B is going to Cis going to be要原因 Do you think _____ an English film tomorrow night?A.is there B,there is going to hace C there is going to be D will there be there ------two football matches on cctv 5 this eveningA are going to have B is going to be C are going to be D is going to have There ( ) a class meeting the day after tomorrow.A、is going to B、is going to have C、are going to be D、are going to have There ________New Year parties this afternoon.A.are going to have B.is going to have C.are going to be D.is going to be There _____a music festival in our school tomorrow.A、will be going to B、is going to be C、is going to D、will be going to be There ___ two important meetings next week.A.is going to be B.are going to beC.is going to have D.are going to have be going to be与be going to do的区别there a partya is going to be b is going to have There ___ going to be two NBA matches tomorrow.A.is B.are是不是不存在There are going to be -There - a concert this evening .-Yeah Exciting news.A.are going to be B.is going _____an English film in our school next Saterday.A.There is going to be B.There will be held C.There be D.There is going to have There ( )two English classes tomorrow morning.A:is going to have B:are going to have C:is going tobe D:are going to be