Final answer:
Target should use ID selectors, class selectors, and element selectors to generate CSS selectors.
Step-by-step explanation:
Target should use ID selectors, Class selectors, and Element selectors to generate CSS selectors. ID selectors are used to select elements based on their unique ID attribute, class selectors are used to select elements based on their class attribute, and element selectors are used to select elements based on their tag name. Attribute selectors are not necessary for Target to generate CSS selectors.