1. (2021八上·嘉祥月考) 阅读下面短文，在空白处填一个适当的单词或用括号内单词的正确形式填空。

Brace White is a father of two boys named Jimmy and Tommy. Here is what he says about them.

"Jimmy and Tommy are different. Jimmy is a shy boy. He enjoys (do) things by himself and he is more selfish(自私的)than Tommy It is difficult (ask) him to share his things with others. But Jimmy has his good points, too. Schoolwork is (easy) for Jimmy than Tommy, so his exam results are better. "

"Tommy dislikes (study) and doesn't spend enough time on it, so his exam results are usually worse. However, Tommy is two years older than Jimmy. Maybe Tommy is two years older than Jimmy, he is a little more mature(成熟的)."