Generally speaking, students’ inner motivation withhigh expectations from others essentialto their development.

Not in the mood for talking, he kept his friends _______

Do you like to_______ your bed—No，I hate to_______ chores．

Although the mysterious castle has disappeared for hundreds of years, it is believed that the _____ of the castle can still be seen at the top of the mountain.

e countries where there is notenough coal, water is used to ____ electricity.