单句改错There A.is B.going to C.have D.a party in our school.根据汉

There is going to be a party in our school.(There be 句形,表示“有,存在,发生”,be going to do 表示将要做将要发生的意思,因为将要有或者可以说将来要存在发生一个PARTY,所以句型中的do由be动词替换.)
Remember not to get（或者be） late next time.(remember not to do...句型表示“记得不要怎样怎样”)