Grammar exercise 2 of 3 语法练习2
Use 关于、对于、关、对、于 as “How to use 关于 (guānyú) and 对于 (duìyú) correctly in Chinese” explains it, through 10 items over 6 of its example sentences: fill the gap where the word was taken out, and put the words of each sentence back in order.
How to use 关于 (guānyú) and 对于 (duìyú) correctly in Chinese
10 items. Each one you miss comes back later in the same sitting.