Fill in the blanks with the most appropriate option:-

There was a sudden __________ of lightning, which lit up the whole street.

flash

The most appropriate option to fill in the blanks is flash.

The word "flash" means a sudden, bright burst of light. This is the most accurate description of what happens when lightning strikes. The other options are not as accurate.

• Burn means to be on fire or to cause something to be on fire. This does not accurately describe what happens when lightning strikes, as the lightning does not actually burn anything.
• Fire means a burning flame. This does not accurately describe what happens when lightning strikes, as the lightning does not actually create a burning flame.
• Splash means a sudden, small amount of liquid hitting something. This does not accurately describe what happens when lightning strikes, as the lightning does not actually splash anything.