Mr．Smith is one of the ____ customers to our restaurant．

It was _____ of Jack to turn off the radio when I was sleeping in the bedroom.

The television is a _____ machine.

Bamboo, which is a common plant in the south, is used ______ in buildings, food, furniture and so on. It is used to make clothes as well.

As we all know, children are always ________ about everything fresh to them.