em chỉ cần đáp án A,B,C thôi nhé không càn giải thích đâu Choose the letter A, B, C or D to indicate the correct answer for each sentence. 6. Joey’s birthday is on the ________________ of October. A. twenty-three B. twenty-third C. twentieth three D. twentieth third 7. Some people think that dogs aren’t clever, but most are in fact really ________________. A. attractive B. great C. smart D. friendly 8. School starts in most countries in the ninth month of the year, which is ________________. A. June B. July C. August D. September 9. Michael is Dutch. He comes from ________________. A. France B. Spain C. England D. the Netherlands 10. It’s important to wear a good pair of ________________ when you are exercising. A. belts B. shirts C. trainers D. trousers