Complete the sentences. use if/unless and the right of the verb. 1. the ice cream will melt if you leave ) it in the sun. 2. you (break) your promise, i (be) angry. 3. you ( not pass ) your piano exam you ( practise ) every day. 4. we ( not leave ) now, we ( miss ) the bis.
2. if, break, will be
3. won't pass, unless, practise
4. if, don't leave, will miss