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

The ice-cream won`t melt unless you leave it in the sun
if you`ll break your promise I`ll be angry
you won`t pass your piano exam unless you practice everyday
if we won`t leave now we will miss the bus