用所给词的正确形式填空。
1. He was quite lucky to stay ___________ (live) after the accident.
2. ___________ (lucky), people tried their best to put out the big fire in the forest
3. This unit is ___________ (main) about weather and seasons.
4. Woodland School near London is a___________ (mix) school.
5. The dog's___________ (weigh) is ten kilograms.
6. Could you tell me about your life in a ___________ (Britain) school?
7. Mark, you're so helpful. I'll never forget your ___________ (kind) to me.
8. It rain