题目内容：

 

1.He tried his best to find a way to s          the problem.

2.Ten players will take part in the final to c          for the gold medal.

3.Thanks to the soldiers, the villagers s          the flood.

4.The family began to d          the Christmas tree with glass balls and lights a week ago.

5.Tony was a          into the chess club last year.

6.As a r          (结果), I totally changed my shape.

7.There is no           (疑惑) that our life will become better and better in the future.

8.He set a           (目标) for himself of exercising at least three times a week.

9.There are different           (类型) of blood, as you know.

10.In many fields of our life, plastics has been used to           (取代) wood and iron.