Content and language integrated learning (CLIL) materials need to show curriculum subjects presented in a non-native language very clearly. CLIL materials are usually ＿＿（41）＿＿ materials found in English language teaching course books. Language courses have materials that are often selected because of a grammar or functional ＿＿（42）＿＿ and also because of a topic. Topics are usually chosen to present and practise grammar or a set of functions. CLIL materials,＿＿（43）＿＿, are selected because of the subject content, for example, mathematics, art, and history. The language that is ＿＿（44）＿＿ support the subject is then considered. Materials can be translated from the first language curriculum, taken from native speaker course books,＿＿（45）＿＿ the Internet or made by teachers.