1. There are lots of beautiful beaches in Vietnam.
2. Air pollution is a big problem in the big cities.
3. Spring is warmer than fall. But summer is the hottest season of the year.
4. His teeth are small and white.
5. I go to visit my grandparents once a month.

II.

1. A. grandparents B. brothers C. uncles D. fathers
2. A. request B. project C. neck D. exciting
3. A. thursday B. thanks C. these D. birthday

1. There are lots of beautiful beaches in Vietnam.
2. Air pollution is a big problem in the big cities.
3. Spring is warmer than fall. But summer is the hottest season of the year.
4. His teeth are small and white.
5. I go to visit my grandparents once a month.

1. beautiful

2. pollution

3. warmer ,  hottest

4. teeth

5. once
 

1. A ( âm /s/)

→ còn lại âm /z/

2. D (âm /i/)

→ còn lại âm /e/

3. C (âm /ð/)

→ còn lại âm  /θ/