一How long do you do exercise?一____________.
It’s about 5 away from here to the mountain.
—Which do you like , summer or winter? —I prefer summer.
— Where is Lin Tao? — He _____ to the teachers’ office. He will be back soon.
— Don’t forget _____ your history and math books tomorrow morning. — Thanks. I won’t.
— Why not Jack a toy car for his birthday? — Good idea! He is crazy about cars.