There are many accidents on our roads. We must ...keep...... discipline.

Sorry.

(19):in

IV/ Reading

Mai is a student at Nguyen Du school. She is in (17) grade 7,class 7/1. She go to school six days a (18) week. Her classes always begin at 7 a.m and finish at 11:15 a.m. Today, Mai has four classes: English, Geography, Computer Science and Physics. Mai is intereted (19) at computer, so her favourite subject is (20) Computer Science.She thinks Geography is difficult and so is English. Mai's last lesson is Physic, she does some experiments

- Một số siêu đô thị ở châu Mĩ: Niu I-oóc, Si-ca-gô, Lốt An-giơ-lết , Mê-hi-cô Xi-ti, Bo-go-ta, Li-ma, Xan-ti-a-gô,Ri-ô-đe Gia-nê-ô, Xao Pao-lô,Bu-ê-nốt Ai-rét

- Đô thị hóa ở Bắc Mĩ: Niu I-oóc, Si-ca-gô, Lốt An-giơ-let , Mê-hi-cô Xi-ti