Choose the correct answer

3. The teacher _____________ me that I had passed the exam.

    A. said

    B. talked

    C. spoke

    D. told

4. Science is used in all corners of the world for the _____________ of people.

    A. interest

    B. need

    C. profits

    D. benefit

5. If you _____________ something, you should patent it as quickly as possible.

    A. invented

    B. will invent

    C. invent

    D. are inventing