1. (2022九上·鹿城开学考) 用方框中所给单词的适当形式填空，每词限用一次。

twelve    soldier    discuss    properly    unable

1. （1） The two brothers dreamt to be when they were young.
3. （2） Let's have a how to learn English well.
5. （3） December is the month in a year.
7. （4） The 3-year-old boy is to carry that heavy box.
9. （5） It's important to use the printer .