1. I bought a book yesterday.我昨天买了一本书。
2. I went shopping with my sister last night.昨天晚上我和我的妹妹去购物了。
3. He walked to school this morning.今天早晨他步行去学校了。
4. His father drove to work last year.去年他父亲开车上班。
5. She liked reading books three years ago.三年前她喜欢读书。
6. He used to get up early.他过去常常早起。
7. I wrote a letter this morning.今天上午我写了一封信。
8. He had to get up early to catch the early bus.他为了赶早班车不得不早起。
9. I cried because of the sad story.因为这个悲伤的故事，我哭了。
10. He was at home last night.昨天晚上他在家。
