Pictures:

Why is it hard to organize a professional hide-and-seek tournament?

Good players are hard to find.

972

If you threw a white stone into the Red Sea, what would it become?

Wet.

994

What is full of holes but still can hold a lot of water?

A sponge.

967

What begins and ends with E but has only one letter?

Envelope.

950

What gets wetter the more it dries.

A towel.

979