Pictures:

Why couldn't the broken piano get into the house?

It was missing the keys.

3101

How do we always know who a child's mother is?

When she is pregnant and gives birth, it's apparent.

2614

What do you call a small circle that is very relaxed?

Dot calm.

3028

Why was the dolphin depressed?

It felt it had no porpoise in life.

556

What part of a river is in the present?

Its currents.

1426

Why did Fred dislike his job using a drill-press?

He found it very boring.

25

What is it called when people argue about what to do with a rope?

This cord's discord.

927

What are commas, periods, and question marks that are used in puns called?

Pun-cuation.

2180

Why did Bill try not to reminisce about his days in the Merchant Marines?

He didn't want to miss the boat.

1222

Which city outlawed the use of doorbells?

Knocksville, TN

2746

Why was Benjy, who was quite large, like a clock?

His nickname was Big Ben.

1880

What do you usually don't mind losing?

Weight.

738