I must be off at once. I’m late.— You ______ to the school because today is Sunday..

I like English best. What about _______?–He thinks science is very interesting. His favorite subject is science.

About _____ 100 students took part in the activity.[ ]

Not until the stadium of Bird’s nest was completed in the end ____back to their normal position.

________does it ________to drive to the train station!—Half an hour.