1. (2017八下·番禺月考) 根据下列句子及所给单词的首字母写出所缺单词。在填写答卷时，要求写出完整单词。（每格限填写一个单词）

1. （1） I don't understand the m of the new word.
3. （2） The little girl o her seat to an old man on the bus this morning.
5. （3） I received an invitation but I didn't want to a it.
7. （4） The boy fell off his bike and was badly h.
9. （5） Thousands of people s from the heart disease.