Dưới đây là cách chia động từ trong ngoặc để hoàn thành các câu:

1. We **studied** a very hard lesson the day before yesterday.
2. I **have read** that novel by Hemingway several times.
3. We **have studied** almost every lesson in this book so far.
4. My wife and I **traveled** to Mexico by air last summer.
5. I **had** a little trouble with my car last week.
6. What **did** you **do** yesterday?
7. How long **have** you **learned** English?
8. Tôm **has never been** in Ha Noi.
9. The plane **stopped** at a small town. It then **took off** immediately after refueling.