past progressive or past simple ----- Nội dung dịch tự động từ ảnh ----- 14. Last night when we (see) a strange object in the sky. It just suddenly. We (stop) the car and (come) down the hill into town, we suddenly 15. It was my first day of class. I (fly) away and (get) out. As we .(appear) in front of us. (watch) it, it (disappear). (finally/ find) the right room. The room (already/ be) full of students. On one side of the room, students (talk) busily to each other in Spanish. Other students .(converse) in Arabic. It sounded like the (just/ sit) quietly by (sit) (speak) Japanese, and some United Nations. Some of students, however, themselves. I (choose) an empty seat in the last row and