Only with this         can you solve the problem.

He had no special ______ and was treated just like every other prisoner.

If we keep wasting so much energy, ________ are that our oil wells will dry up and the environment will be destroyed.

You can't see the___________ now for they are having a meeting at the moment.

The ____________ shoes were covered with mud, so I asked them to take them off before they got into __________ car.