Listen and underline the words with the consonant blends /kl/, /pl/, /gr/ or /pr/. Then practise reading the sentences. (Nghe và gạch chân các từ với sự pha trộn phụ âm /kl/, /pl/, /gr/ hoặc /pr/. Sau đó luyện đọc các câu.) 1. The professor is proud of the results of our project. 2. Grass is growing on the ground. 3. Those toy planes are made of plastic. 4. Click the button to become a member of the club.