Grammar exercise 3 of 5 语法练习3
Use 吗、在、是、很、有、要、没、和 as “10 basic Chinese grammar points for beginners” explains it, through 9 items over 7 of its example sentences: fill the gap where the word was taken out, and put the words of each sentence back in order.
10 basic Chinese grammar points for beginners
9 items. Each one you miss comes back later in the same sitting.