Select the most appropriate option to fill in the blank.

What to do in the event of a gas _____.

leak

The most appropriate option to fill in the blank is leak.

• Lead is a heavy, soft, bluish-gray metal that is used in plumbing.
• Leek is a type of vegetable that is related to onions and garlic.
• Leer is to stare in a fixed, malicious, or suggestive way.
• Leak is to allow a liquid or gas to escape slowly and uncontrollably.