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Ex. 2 Find and correct the mistakes.
1. There is still evidence for people to believe in the exist of UFOS.
A
в
D
2. We are confident that we will be ability to persuade our friends to keep the school clean.
A
B
D
3. We have to save energy because save energy is very nekessary.
A
B
D
4. It is raining heavily because I can't go out.
в с
5. This book was writing by Jack London, an American writer.
A
D
A
B
C D