Please choose the correct ending to complete the given sentence: Youth: [header] How to make the teacher think you are smart [title] Ask questions that dig deeper into the subject. [step] Ask questions in class that show the teacher that you're paying attention. If you're confused about something, ask for some clarification.

Ending1: If the teacher has given hints, ask questions asking for more. They will be impressed at your efforts and may even feel that you are the one who pays more attention. Ending2: [substeps] Try to avoid asking questions just for the sake of it, but do your best to have a genuine interest in learning more. When you do your assigned reading or other homework the night before, consider writing down a couple good questions to ask the next day. Ending3: Students love asking questions, and it's always best to offer it early in the class because they won't see it coming. [title] Say " no " when the teacher asks for clarification. Ending4: You'll get a better feel for the subject if you're actually studying. [substeps] Instead of trying to explain the material yourself, ask a parent or close friend if you understand how the teacher got to know you as a child.

Answer format: ending1/ending2/ending3/ending4