He declared his opinion.

Have you ever seen an iceberg drifting in the sea?

He is suffering from whitlow.

When an earthquake occurs, the earth's surface shakes.

After his speech, a big applause arose from the entire venue.

Everyone in the audience clapped and cheered for his wonderful performance.

There was clapping and cheering from the audience for his wonderful performance.

He is working hard to complete his doctoral dissertation.

He likes to take a walk in the park at dusk.

London's Greenwich Mean Time is the standard that determines the time of the world.