1.crowded

2.safety

3.attention

4.crowed

5.enjoyment

6.relaxation

7.entertainment

8.attention

9.unreadable

10.absence

11.gifted

1. We had a very crowded schedule

2. The polite gave him protection for his own safety.

3. How many times do I have to ask you to pay attention

4. The store was crowded of shoppers.

5. The show brought enjoyment to millions of viewers.

6. The listens to classical music for relaxing.

7. Cinema is a medium of mass entertainment.

8. John should pay more attention in class.

9. This book is terrible. It's completely unreadable.

10. Can you explain your absence in the meeting.

11. Jim was a very gifted pupil and learn easily.