1. To make a smoothie, you need to some fresh fruit and yogurt together. 2. When making a salad, don't forget to the cucumbers and tomatoes. 3. Before you cook the onions, you should them to remove the skin. 4. To prepare sushi, you have to the seaweed and rice carefully. 5. If you want to make lemonade, you'll need to the juice from the lemons. 6. Did you the salad before serving it? Is it salty enough? 7. When you're making stir-fry, you'll need to the vegetables in hot oil.