Direction: Complete the sentence with correct words.(12 points)

79   谣言证明是假的。

The  rumor ___________ ____________ to be false.

80．他下决心要实现他的目标。

He is determined to ____________ his ___________.

81．我们已适应新的生活。

We have _______ ________ the new life.

82．她致力于教育事业，深受学生的尊敬和喜爱。

She ________ herself ______the cause of teaching and was loved and respected by her students.

83．别把我牵扯到你的麻烦中来。

Don’t ___________ me _________ your trouble.

84．我们必须把反污染的斗争进行到底。

We must carry through the _________ ________ pollution.

根据意思，写出成语。    

1．比喻学问、技术或办事达到了纯熟完美的地步。(        )    

2．身居高位的官吏和尊贵显赫的人物。    (        )    

3．背上荆条请求惩罚。表示真诚地认错赔罪。    (        )    

4．说话和神态跟平时一样，没有改变。形容在特殊情况下，态度非常镇定。(        )