Li Wen’s parents took a 24-hour train and a 5-hour bus ride ______ to his school.
______in bed is______ for our eye .
The music is too loud,would you mind______?
Some people plan to ______ a volunteer project to help the disabled children.
Pollution is a serious problem. Scientists will _______ some good ways to save it.
My father often cooks some delicious food _________for us at home.