Exercise 1:
/i/ : river, easy, Physics, sing, listen, winter, cheap, king, heat, Pyramid.
/i:/ : three, give, complete, free, see, dream, cheese, meal.
Exercise 2:
/u/ : good, music, neighborhood, book, suitable, would, cook, could, should, group, fruit.
/u:/ : glue, pool, moon, room, childhood, blue, woman.
Exercise 3:
My name is ........ I'm studying in ......... secondary school. My school is in ....... districk, which is on .........street. I really like going to school because all my friends are kind and friendly. At school, I don't have much homework so I really love my homework. And we learn alot of subjects at school, such as : Math, English, Literature, International Technology,....(However,) my favourite subject is ............
(bạn tự điền thông tin của mình vào nhé, xin lỗi bài văn hơi sơ sài)