1、I went to school yesterday.
我昨天去学校。
2、I bought a bag the day before yesterday.
我前天买的包。
3、I dated a good friend the day before yesterday.
我前天约的好友。
4、.I finished my homework this morning.
我在早晨就已经完成了作业。
5、The light went out, and the room was plunged into darkness.
灯熄了,屋里陷入一片漆黑。