1．By learning English I have broadened my mental horizons and increased my knowledge in different fields.(2019·全国卷Ⅰ满分作文)
→By learning English I have broadened my mental horizons and increased my knowledge in various fields.
2．There will be many activities to mark this unforgettable occasion including many matches.(2019·全国卷Ⅲ书面表达)
→There will be a_wide_range_of activities to mark this unforgettable occasion including many matches.
3．Having been learning painting for many years，I know Chinese painting a lot.(2019·全国卷I书面表达)
→Having been learning painting for many years, I have_a_good_knowledge_of Chinese painting a lot.
4．Aimed to help us to realize the importance of working, an activity themed “Working is the most beautiful” was held last week.(2019·北京卷满分作文)
→Aimed to help us to be_aware_of the importance of working，an activity themed “Working is the most beautiful” was held last week.
