1. This tree is very old. .................... is almost fifty.

2. The boys are French. .................... are handsome.

3. The girl is beautiful. .................... is from Canada.

4. Tom and his brother are Spanish. .................... are friendly.

5. Stephen and I are scouts. .................... like mountains.

6. The chairs are old. .................... are brown.

7. This window is new. .................... is clean.

8. The dogs are aggressive. .................... are six years old.

9. I am tired. .................... am ill.

10. The students are from China. .................... are clever.