3 . Match each word with its definition. Then practise reading the words aloud.   (Hãy ghép từ đúng với định nghĩa của nó. Sau đó tập đọc to những từ đó lên.) 1. stability 2. maintain 3. charter 4. association 5. bloc a. a group of countries or parties with similar political interests b. an organised group of people who have common interests, activities or purposes c. the quality of being steady and not changing d. the written description of the fundamental principles and aims of an organisation e. keep (something) in a particular condition; enable something to continue