ex1 : Sắp xếp các từ sau thành câu hoàn chỉnh
1, how / tables / there / many / are / class / in / your / ?
2, have / on / i / tuesday / english
3,there / TV / is / in the /a / livingroom
4,Which / is grade / he /in / ?
5,does / mother / what / do / your /?