My sister ____ home at 5:00 every day.
There goes the bell. Hurry up, _______ you’ll be late for class.
–Look! A man is cutting a tree on the moon. --It ______ be true. The teacher said there is no air on the moon.
All of us went to the park ______ Bob. He had to look after his sister.
I wonder when they ________ for Beijing. I will go to the train station to see them off when they _______.
–Which would you like, tea or coffee? --_______. I really don’t mind.