Dear Helgar, I would like to welcome you to our school. I know that being an (23)_________ studnet can be difficult, especially when you are so far away from your home. As you may have heard, the Thanksgiving holiday is (24)_________ I am aware that it isn't celebrated in Germany, but it's a very important holiday in the United States. It is an occasion when American families gather to spend time with one another and enjoy a variety of food. If you have nothinf planned for that day, I would like to (25)_________ you to visit my home for Thanksgiving. My entire famlily is planning to be there, so you will get to hang out with us. My mother is considered (26)_________ cooks in the city, so you will get a great introduction to traditional Americian home cooking. I hope you can come as I am positive that you (27)_________ a wonderful time. Let me know if you are interested. Sincerely, Greg Foster 23. A. exchange B. exchanges C. exchanged D. exchaning 24. A. improving B. happening C. approaching D. passing 25. A. invite B. require C. let D. insist 26. A. the better B. one of the best C. as good as D. the best 27. A. have B. are having C. will have D. have had giúp mik vs( mik cần nhất là giải thích rõ ra) mik c.ơn ạ><