练习句子：才＆就

才：
你才出来。。。现在完了！
you left later than expected, now you are late!
他才做饭。。。人太多，菜不够。 我之前有事情，现在才有时间做饭 I was busy before, I am doing cooking now.
he cooked less food than expected, there are too many people and not enough food.
因为感冒了，我(现在)才练习中文。because i was sick, i study chinese recently.
because i am sick, i studied chinese less.因为我感冒了，所以减少了学习中文的时间。
知道我才来了，对不起完了。
I know i came late, i'm sorry i'm late.我知道我来迟了，对不起。
虽然他有贵的衣服，他才有多钱。
although he has expensive clothing, he has little money.虽然他有贵的衣服，但是他很穷。

some of your sentences can't use "才" to express your meaning.

就
他两月学习中文就流利了！
he only studied chinese for 2 months and is fluent!
这趟是两个小时，但是我就到一个小时。
this is a 2 hour trip, but i arrived in 1 hour.
你就还我钱。
you returned the money early.

我就出来
i left earlier.
我就回来
i returned earlier.
我就告诉你.
i will tell you soon.

练习句子：才＆就

才：
你才出来。。。现在晚了！
you left later than expected, now you are late!
他才做饭。。。人太多，菜不够。
he cooked less food than expected, there are too many people and not enough food.
因为感冒了，我才练习中文。
because i am sick, i studied chinese less.
我才知道我来晚了，对不起。
I know i came late, i'm sorry i'm late.
虽然他有贵的衣服，但是他并没有多少钱。
although he has expensive clothing, he has little money.

就
他才学了两个月汉语，就（能）流利（运用了）。
he only studied chinese for 2 months and is fluent!
这趟是两个小时，但是我一个小时就到。
this is a 2 hour trip, but i arrived in 1 hour.
你早点还我钱。
you returned the money early.

我就出来
i left earlier.
我就回来
i returned earlier.
我就告诉你.
i will tell you soon.