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Question II: Find One mistake in the four underlined parts of each sentence:
6. What does she want to do if she didn't work here?
         A B C
7. They'll not understand the lessons unless they don't notice.
    A B D
8. My Thuan bridge is the shortest in Vietnam.
         A B C D
9. If we didn't try to learn, we can't learn well.
          A в C D
10. I would know more about the animals if my house were nearly a zoo.
         A с D