1. What is the main goal of grammar teaching in ESL?
2. A teacher shows students three sentences using the present perfect and asks: "What do you notice? What is the same in every sentence?" Which approach is this?
3. What are Concept Checking Questions (CCQs) used for?
4. Which of the following is the most effective way to introduce new vocabulary?
5. A teacher writes sentences on the board — some correct, some incorrect — and students bet on which ones are right. What activity is this?