----- Nội dung dịch tự động từ ảnh ----- .... the bell, they (get) IX. make sentences with Past continuous and simple past. 1. We / discussing many things when / headmaster / come/in. 2. When/ teacher / come in/, Lam / clean / blackboard. 3. Dick/listen/classical music / when / friend/ arrive. 4. They/work/garden / when / rain. 5. When /telephone/ring/1/read/novel. 6. When her father /enter / room / Lan / clean / floor. 7. We/watch/television/ when our father /call / us up. 8. It/raining / when we/get/ school. 9. Tom/talk / another boy when I see / him this morning. 10. When the bell/ring/I/have/ lunch. 11. While Bob / clean/windows/ Peter / wash / dishes. 12. while/we/read/novel/she/ listen / radio. up and (leave) ......