----- Nội dung dịch tự động từ ảnh ----- Fill in each blank with a suitable preposition. 21. Young people prefer taking part 22. - Are you free 23. I went 24. In Vietnam watching them. the morming. sports, instead Saturday aftemoon?-No, but I am free my parents last Sunday. the 1960s, most families didn't have a TV set. Therefore, the zoo dinner, people gathered the windows. the house that had a television. Some even watched 25. There aren't not many good programs teenagers.
