1.Yesterday an old lady was knocked down by a taxi at our school gate.
2.The war lasted for three years.
3.They have been going over their lessons in the library recently.
4.This school is located in the west of the city.
5.It is impolite to make fun of the blind.
6.The teacher told us to make up for the homework.
7They have been maried for ten years.
祝学习愉快!