The elder brother ________ his mother, while the younger one is _________his father.

—Where is Tom?—I heard him ______ with our English teacher when I passed the teacher’s lounge.

She is going to ____ the plane to Beijing.

 —Don’t ____ too late , or you will feel tired in class. —I won’t , mum. Good night.

 Mary said she ______ to school the next Sunday.