Where did you come across our Chinese teacher?—It was in the supermarket ________ I purchased mooncakes.

I don’t know if it ______tomorrow. If it ______, we’ll go out for a picnic.

When will A Bite of China II begin tonight – It ________ for ten minutes.

How long may I _________ the book —For two weeks.

Has Sam finished his homework today? — I have no idea. He ________ it this morning.