"practice makes p---- " means if you keep practicing and don

"practice makes p____ " means if you keep practicing and don't give up ,you will be very go
"practice makes p____ " means if you keep practicing and don't give up ,you will be very good at something
my teacher asked me to make an a____ to work hard on English.
不是practice doing sth吗 为什么这里又没有用doing呢？