重点短语
1. take a shower 淋浴
2. leave my backpack at home 把背包忘在家里
3. get back to school 返回学校
4. start teaching 开始教学
5. go off 响铃
6. rush out the door 冲出房门
7. give sb a lift 捎某人一程
8. miss both events 错过两个事件
9. be about to do sth 正要做某事
10. stare in disbelief at 难以置信地盯着
11. raise above the burning building 从正在燃烧的楼上升起
12. jump out of bed 跳下床
13. collect the math homework 收数学作业
14. show up 赶到，出现
重点句型
1. By the time I got up, my brother had already gotten in the shower. 当我起床时，我哥哥已经进了浴室了。
2. By the time I got outside, the bus had already gone. 当我出来时，公汽已经走了。
3. When I got to school, I realized I had left my backpack at home. 当我到达学校时，我才意识到我把背包忘在家里了。
4. By the time I walked into class, the teacher had started teaching already. 当我走进教室时，老师已经开始讲课了。
5. By the time I arrived at the party, everyone else had already showed up. 当我到达晚会时， 其他的每个人都已经到了。
6. When he put the noodles into the bowl, he realized he had forgotten to add the green beans. 当他把面条放进碗里时，他意识到他忘了添加绿豆荚了。
7. Before she got a chance to say goodbye, he had gone into the building. 在她得到一个向他告别的机会之前，他已经进入楼房了。
考点详解
1. By the time I got outside, the bus had already left.
by the time作连词引导时间状语从句，当从句用一般过去时，主句用过去完成时；当从句用一般现在时，主句用一般将来时或将来完成时。
I’ll be in bed by the time you get home. 你到家时，我已经上床睡觉了。
2. When she got to school, she realized she had left her backpack at home. 当她到学校时，她意识到她把背包忘在家里了。
表示“把某物忘在某处”要用词组leave sth in/on/at...
forget意为“遗忘某物”，指忘记一件具体的东西，但不能有具体的地点。
3. Last Friday night, my friend invited me to his birthday party.
4. Wells made it sound so real that hundreds of people believed the story and fear spread across the whole country.威尔斯讲述这个新闻起来如此的真实，以致成百上千的人都相信了这个故事，进而引发了全国性的恐慌。
