Due to his obstruction, we were unable to proceed with the project.

We should know what to do when a catastrophe occurs.

What is your area code?

An extra edition of the newspaper was distributed.

He decided to work in a foreign country.

Where is the lid for this pot?

He found a spiral-shaped shellfish on the beach.

He likes to learn foreign languages.

That proposal is completely unthinkable.

In order to overcome that impediment, it is necessary to do your best.