Please put the book back to its (right or correct)place after you read it.
Tea plants are (广泛地) grown in the south of China now.
Hold on to your (梦想), and one day it may come true.
When we left, the kids said goodbye to us (礼貌).
The stamp I bought yesterday (花费)me 20 yuan.
It's a good habit to brush your (牙齿) after a meal.