1. they’ve always worked hard.
2. mike swims faster than his brother.
3. they left the party unexpectedly.
4. when did you perform the best?
5. these problems easily.
6. he is highly regarded by us.
1. attentive
2. critical
3. impossible
4. officially
5. friendship
6. creativity
7. leadership
8. intensive
9. advisable
10. controversial
