1. At that moment I saw a dog _______(lie) on the floor.
2. At the beginning of the _______(twenty) century,the world's population was 1.7 billion.
3. The _______(shelf) in his study are full of science books.
4. Of all the lessons in Book Three, Lesson Five is the _______(little) interesting.
5. The dog's _______(die) made her very sad.
6. There _______(be) many changes over the years.
7. Who teaches _______(they) physics?
8. How _______(excited) it is to go roller skating here.
9. Most of the students work hard _______(get) high marks in exams.
10. We can live _______(comfortable) in Taizhou because it's a good place.

1. It is warm and _________(sun) today. Let's go out to play soccer.
2. The dog is ________(lie) on the floor.
3. In winter, people often wear _______(scarf).
4. It often _______(rain) in summer in my hometown(家乡).
5. Look! There are lots of people _______(play) beach volleyball there.

1. All of you are very busy ______ (get) for this exam, aren't you?
2. You had better ______ (not hurry). There is still enough time to go.
3. The student ______ (name) Wang Lin is my example in English learning.
4. If you are really tired, you can stop ______ (have) a rest for 10 minutes.
5. When I got home, my pet dog ______ (lie) on the floor, dead.