Выберите верный глагол: When (do/will) our classes start tomorrow?The train

Изберите верный глагол:
When (do/will) our classes start tomorrow?
The train from Liverpool (arrives/will arrive) at 7:30.
I don't think the train (arrives/will arrive) on time.
I (will apologize/apologize) if you (will explain/explain) to me why I should.
I (play/am playing) football tomorrow.
I (will promise/promise) I ( will phone/phone) my granny.
We (go/are going) to St Petersburg some time soon.
What time(does/will) the bus arrive in Cardiff?
Alec(is gjing to write/ is writing) a letter ti his parents in the evening.
We are having a party jn Saturday night, ( will you come/ are you coming)?