Grammar exercise 1 of 2 语法练习1
Use 没关系、没、关、系 as “没关系 (méi guānxi): it doesn't matter, not related” explains it, through 10 items over 5 of its example sentences: fill the gap where the word was taken out, and put the words of each sentence back in order.
没关系 (méi guānxi): it doesn't matter, not related
10 items. Each one you miss comes back later in the same sitting.