Choose the correct Future Simple forms to complete the sentences.

Choose the correct option.

Samantha [will be|won't be|be|not be] at the party this evening because she doesn't feel well.

Goodbye. I [won't see|will|will see|don't see] see you tomorrow morning at 10 o'clock.

Robert [will leave|leave|will|won't] school when he's eighteen years old.

Tickets [will cost|won't|will be cost|costs] £100 for the musical festival next summer.