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？
