The building which _____ now will be our science laboratory.

Years ago we didn’t know this , but recent science______that people who don’t sleep well soon get ill.

 —You seem to be familiar with New York. —I _______ there for three years. It’s great to be back.

If law and order as well as rules and regulations ______, neither the citizen nor his property is safe.

The cinema ______ ten years ago when we first moved to this town．