1. 用方框内所给单词或短语的适当形式完成下列句子（有一项多余）

die    invent    use    keep    take care of    Canada

1. （1） Thomas Edison was a great inventor with lots of .
3. （2） The little girl cried when she saw her cat.
5. （3） Her sister got married to a engineer.
7. （4） After so many years he still managed in touch with me.
9. （5） The dictionary is very for us to learn English well.