改错There is a fire drill tomorrow afternoon.

改错There is a fire drill tomorrow afternoon. There is going to be a fire drill next week. There are a fire drill yesterday. there were a fire drill yesterday,那里有错,为什么? There a fire drill yesterday这句错在哪? There ( )a meeting tomorrow afternoon There( ) a meeting tomorrow afternoon There were a fire drill yesterday.请问哪里有错误怎么改 < >there are a fire drill yesterday 找出下列错误的并改正 There ___ a parents' meeting tomorrow afternoon . There __________ (be) a meeting tomorrow afternoon there （ ）a meeting tomorrow afternoon ​