Fill in with if or unless.1 ..... the shoes fit, i will buy them.2. She won't go to work tomorrow ............. she is feeling better. 3. ............ you finish your homawork quickly, we will watch a DVD.4. .......... you run Fast, you'll miss the train. 5. .......... i see Nigel, i'll tell him ti send you an email.6. Don't do the washing-up ...... you want to.