Answer:Here are some completions for the sentences you provided: 1. If it rains tomorrow... - ...we'll have to cancel our picnic.- ...I'll stay inside and read a book.- ...the flowers will be happy.- ...the air will smell fresh and clean.- ...I'll finally get to wear my new raincoat.2. If you get a promotion... - ...you'll deserve a celebratory dinner.- ...you'll have more responsibilities.- ...you'll be able to afford that new car.- ...you'll be able to take that vacation you've been dreaming of.- ...you'll have to work even harder.3. If our team wins the match... - ...we'll be celebrating all night long.- ...we'll be one step closer to the championship.- ...we'll be the talk of the town.- ...we'll be so proud of ourselves.- ...we'll have to start thinking about the next game.4. If I finish my homework early... - ...I'll have time to relax and watch a movie.- ...I'll be able to go out with my friends.- ...I'll finally be able to start that project I've been putting off.- ...I'll feel a sense of accomplishment.- ...I'll have more time to spend on my hobbies.5. If the power goes out tonight... - ...we'll have to use candles.- ...we'll have to eat dinner by the light of the moon.- ...we'll have to find a way to stay warm.- ...we'll have to be extra careful.- ...we'll have to appreciate the quiet.