1. (2021·鹿城模拟) 用单词的正确形式完成句子

billion, finish, bad, outside, neither

1. （1） Although I have two brothers, of them can help me with study.
3. （2） Please keep the door and windows closed because it's too cold .
5. （3） We should always remember to hope for the best, but prepare for .
7. （4） Little Tom this drawing. The teacher doesn't need to help him now.
9. （5） When you look up into the sky at might, you will see of stars up there.