... (go) ………………… back home, your children (wait) ………………… at the front door. Tài Liệu Bồi Dưỡng Học Sinh Giỏi Lớp 7 HKIPeriod 1+2 . TENSESI. Summary (Tóm tắt):Tenses Affirmation (KĐ) Negation (PĐ) ... many students are there in the school?A. 1 ,70 0 B. 1, 070 C. 1,0 07 3. When does the class start and finish?A. 7. 00 and 11.00 B. 7. 30 and 11.00 C. 7. 00 and 11.304. What subjects does she like ... has three floors and forty classrooms with 1 ,70 0 students. My classroom is on the second floor. I’m in grade 7, class 7A. Our class starts at 7. 00 and finishes at 11.30. At school we learn...