5. Read the Learn this! box. Underline all the consonant clusters and practise saying the words. Then listen and check. (Đọc hộp Learn this! Gạch chân tất cả các cụm phụ âm và luyện đọc các từ. Sau đó nghe và kiểm tra lại.) LEARN THIS! Consonant clusters(Cụm phụ âm) Consonant clusters, combinations of consonant sounds. can be found at the beginning, at the end or within words. (Cụm phụ âm, sự kết hợp giữa các âm phụ âm, có tìm ở đầu, ở cuối hoặc giữa các từ.) prefer /pr/ British /br/ ogfee/gr/ restrict/std accept /pt/ tasks/sks/ shrink     twin     problem     scream     adopt     address     three     next     against     hops  

By following the instructions in the Learn this! box, one can improve their pronunciation and fluency when speaking English by mastering consonant clusters.

It is important to listen carefully to the pronunciation when practicing saying words with consonant clusters to ensure accurate pronunciation.

To practice saying the words with consonant clusters, one should underline the clusters in the words provided in the Learn this! box and then repeat them aloud for practice.

Other words with consonant clusters in the box include 'shrink', 'twin', 'problem', 'scream', 'adopt', 'address', 'three', 'next', 'against', and 'hops'.

Some examples of consonant clusters provided in the Learn this! box are 'pr' in 'prefer', 'br' in 'British', 'gr' in 'ogfee', 'st' in 'restrict', 'pt' in 'accept', and 'sks' in 'tasks'.