Will or going to

My sister _________have a baby next month.

I promise I________give you some money for your birthday.

I think next week _______be hot and sunny.

I know she_________fail her examsbecause she never does any work.

Scientists think that cars ______use petrol in the future.

My brother bought some new clothes because he__________go to a party.

Those boys are cycling too fast. They_______hurt themselves.

Look at the sky - it _________be a lovely day.

We_________run out of petrol! There'sonly one litre in the car and it's 100 kilometres to the next petrol station.

Tell me your secret! I promise I________tell anyone.

She is sure that he ___________ (not/manage) to catch the train

Next year we _______________ (travel) together around Europe.