✅ Upstream Elementary A2️⃣ is a modular secondary-level 🎚️ course for learners of the English 🏴 language at CEF A2️⃣ level 🎚️. The series combines active English 🏴 learning with a variety of lively topics presented 🎁 in themed units. ISBN:9️⃣7️⃣8-1 ️⃣👎️-8️⃣4️⃣4️⃣6️⃣6️⃣-5️⃣7️⃣2️⃣-3️⃣
