20. A. a lot of B. Ite III. Chia động từ ở thì thích hợp trong các câu điều kiện sau. 1. You 2. If you swam in this lake, you 3. The door will unlock if you 4. If Melena had asked her teacher, she 5. I 6. If we meet at 9:30, we 7. Lisa 8. The zookeeper 9. If you spoke louder, your classmates 10. If I (get) into trouble at school if you don't do your homework. (suffer) from the cold. button. (press) the green (call) the office if I were you. (answer) her questions. (have) plenty of time. (find) the milk if she looked in the fridge. (punish) her with a fine if she had fed the animals. (understand) you. (play) better, I would win the game.