Future tenses quiz

Is this sentence correct?
'I am flying to France next week.'

Is this sentence correct?
'Are you going to visit your grandmother this afternoon?'

Is this sentence correct?
'People are going to live in tall building in 2070.'

Is this sentence correct?
'The bus will leave at 12.55.'

Is this sentence correct?
'I will speak with my mother later on this afternoon.'

Is this sentence correct?
'My ESOL classes will start at 1 pm.'

Is this sentence correct?
'I'm going to the hairdresser's tomorrow.'

Is this sentence correct?
'People are going to travel to space on holiday one day in the future.'

Is this sentence correct?
'Look! She will fall over!'

Is this sentence correct?
'Anna will meet Alex at 10 am on Tuesday morning.'

Is this sentence correct?
'I am going to cook chicken for dinner tonight.'

Is this sentence correct?
'Look out! This dog is going to bite!'

Is this sentence correct?
'Bus number 23 will arrive in 30 min.'