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.