1. speeches
2. didn't
3. fall over... 落在...之上
fall over 脸朝下跌倒
fall down... 从...摔下
fall down 摔倒
以上两个短语都可以既做不及物动词,单独使用或在后面再加介宾结构,如:
I suddenly fell over/down (from my bike).
也可以把over和down视为介词,如:
I fell over the ground. I fell down my bike.
4. haven't checked
5. was happening