Ⅰ. 完成句子，每空一词
1. 这个男孩还没有到独立处理这样的难题的年龄。
The boy isn’t old enough to ______ ______ such a difficult problem by himself.
2. 他们每天花一小时进行体育锻炼。
They ______ an hour on taking ______ every day.
3. 她年纪太小还不会穿衣。
She is too ______ to get ______.
4. 恶劣的天气妨碍了我们举办运动会。
The terrible weather ______ us from ______ the sports meeting.
