13. This picture is 　　　　　(beautiful) than that one.

12. This is the 　　　　　(four) lesson.

11. I 　　　　　(feel) cold last night.

10. My father made me 　　　　　(cook) today.

9. The earth 　　　　　(be) round.

8. The children 　　　　　(play) football now.

7. Would you like something 　　　　　(drink) ?

6. I 　　　　　(see) your uncle yesterday.

5. It's raining 　　　　　(heavy).

4. What a 　　　　　(cloud) day !