1. Which sentence is grammatically correct in formal English?
2. Which is the most natural informal way to say this?
3. Which sentence is INCORRECT?
4. Complete the sentence: "_______ you need is a vacation."
5. Which sentence is correct?
6. Complete: "I have three brothers, _______ are doctors."
7. Complete: "She has ten books, _______ are very old."
8. Which sentence is INCORRECT?
9. You have only one sister. Which is correct?
10. Which sentence is INCORRECT?
11. Which sentence is INCORRECT?
12. "What happened was surprising." This means:
13. Complete: "I invited twenty people, _______ came."
14. Which sentence contains an error?
15. Which is the most formal construction?