Grammar exercises: Three uses of 才 (cái) in Chinese grammar: only, just now / not until, emphasis 语法：才 练习
The example sentences of the article, a few to an exercise, in the order the article shows them. Each exercise takes the point's word out of a sentence for you to fill back in, then gives you the sentence's words to put in order, and an item you miss comes back later in the same sitting.
3 grammar exercises over 32 items.