1.  healthy diet is very important for people.

2.  We all were busy doing the maths excises day and night.

3.  My eyes were so tired that I believed the question had the latter "I" by mistake.

4.  That's great.

5.  We are intoxicated with its melodions singing.

6.  Its steel ropes are so long that they can circle the earth four times in all.

7.  The grand play is so wonderful that the spectators let out the surprised shout from time to time.

8.  The teachers are excellent.

9.  The newspaper is very interesting.

10.  The newspaper is very interesting.