--Did you enjoy meeting your old schoolmates at the party last week?--Yes, I did. We ____ each other since we graduated from college.
The country’s car industry is so strongly protected that foreign cars are _____ seen there.
In a room above the store, where a party _____, some workers were busily setting the table.
Most people think that it is _____ to spend some time surfing the Internet, but we shouldn’t be too dependent on it.
--- Have you handed in your schoolwork yet?---Yes, I have.I guess it _____ now.
We _____ have bought so much food now that Suzie won’t be with us for dinner.