1.  Ten years ago, there is a ball, the ball was very important, Mathilde was the only person in her office who was invited so , she were written to accept the invitation .

2.  chomisty physics and English, some the only one or two of the four hours .

3.  Although we didn't want to do those things, they were the only way to get the success in our learning.

4.  One day, his only friend---the dog was died , Robinson felt very lonely .

5.  Two years later, her second husband died, her only son was eaten by the wolves .

6.  The only way to qualify the people as a skillful worker is to practice for thousands of time .

7.  For example, when we study English, "Practice Makes Perfect" is almost the only way.

8.  Fresh water is the only water that is fits for us to drink.

9.  Only to doing so can the global shortage of fresh water be solved.

10.  If we don't do these, we will see the only drop of water is our tear.