Complete the sentences with words or expressions from the boxes. （split up; tactics; emerging; at a discount; red-letter days; typical）1. I only ever cook this meal on ______________, because it takes a long time to cook. 2. We’ve lost another basketball game! We need to change our ____________. 3. This rain and wind is ____________ of the weather we usually get here. 4. —I love your shoes! —Thanks. I got them ____________. 5. Let’s ____________ into four groups and work separately. 6. The sun is ____________ from behind the clouds.