— Do you have any plan for this summer vacation, Mary?— Sure, I’ d like to be a volunteer and help to ______ the Central Park.
People usually think lions are _____ scary.
Don’t talk here. Grandparents ____.
—What does your mother do? —She is ___.
If you want to be thinner and healthier, you should eat___food and take____exercise.
While Ann ___ TV, her father came home.