Pictures:

Why should we be very careful handling glass?

There's a reason it's called a pain of glass.

1966

Why should a person not use black envelopes?

People mind think it's black mail.

2406

What collection of animals gets its name from the sounds they make together?

A herd.

2041

How did the comb feel after it had its teeth made thinner?

It felt fine.

266

Why did Martha like circles?

Because it has the best all-around shape.

402

What kind of bird doesn't sing, but only hums?

A hummingbird.

2711

Why didn't Arnold answer questions about beans?

Because he didn't know beans about it.

1596

Why did Arnold lie down next to bread in the bakery?

He wanted to be rolling in dough.

762

How are kids similar to food?

If you don't care for them when they are fresh, they become spoiled.

2673

What is this a picture of?

Air Bee and Bee

2373

What is used to lubricate the joints of a robot?

Elbow grease.

999

What music makes a person feel like a worn out cloth?

Rag time.

2599