English exercises subject object questions

Fill in the gaps with the questions in English about the subject or the object. Before doing the exercise feel free to check the correct answers to grasp the general idea about the context of the sentences.
1. Somebody kissed me.
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2. I kissed somebody.
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3. Somebody gave me the book.
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4. Something happened.
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5. Betty told me something.
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6. This car belongs to somebody.
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7. Somebody lives in that house.
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8 I fell over something.
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9. Something fell on the floor.
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10. This word means something.
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