---- __________is the train station from this shopping mall, do you know?---- About 30 minutes by bus.

Have you finished the work _________?

 ---Have you ____ cooked for your parents?   ---Yes, of course.

— Have you ________ watched the dolphin show in the Ocean Park in Hong Kong?—Not _________.

---  _______ does your sister go to school?---  At 7 o’clock.