hi<br/><br/>according to advanced grammar in use<br/><br/>complete the sentences with as long as, provided, supposing or unless<br/><br/>1. ( )our calculations are correct, we'll make a profit within a year<br/><br/>2. ( )she is injured, she shoud win easily<br/><br/>3. ( )it was possible to go back in time, i'd like to see the pyramids being built.<br/><br/>could you explain to me what are the corrects?<br/><br/>thanks in advance