13. You cannot cross the street until the light _____ (turn) green.

12. Mrs. Black was always busy _____ (wash) clothes when I saw her.

11. The PRC _____ (found) on October l, 1949.

10. Tom was too excited _____ (fall) asleep.

9. Our headmaster is showing some _____ (visit) from the U. S. around our school.

8. This time she finished her homework all by _____ (her).

7. Allan was very _____ (care) yesterday and broke one of his legs.

6. The children often go _____(swim) in the river in summer.

5. We have _____(little) rain this year than last year.

4. “Turn down the radio. It’s too _____ (noise),” said Mother.