The twins are so much__________that it is difficult to tell one from the other.

______ ,all the students have covered 5 kilometers and no one quit on the half way.

The thief must have hidden somewhere in the _______ area．

We’ve turned out large quantities of cars. This year      we’ve produced thirty thousand ones.

She was clearly a        customer at Scott' s, as she told the waiter that she would stick to her favorite．