1. What does ‘ them' refer to in this sentence?

2. Can you replace this by ‘ many' here?

3. Can you replace this by ‘ is' here?

4. Can you use the word ‘ some' here?

5. Can you replace this by 'what' here?

6. Can you replace this by ‘ A' here?

7. Can you leave out the word ‘ that' here?

8. Can you replace this by ‘ aren' t' here?

9. Can you replace this by 'which' here?

10. Can you replace this by 'himself' here?