| alert |
to warn or make aware. |
| bench |
a long seat, often made of wood and without a back. |
| brake |
a device used to slow or stop the motion of a vehicle or machine. |
| cozy |
warm and snug in a comfortable way. |
| engine |
a machine that uses energy from a source such as gasoline or electricity to do work. |
| proud |
feeling pleased and satisfied because of something one owns or has done. |
| rug |
a piece of thick material used to cover part of a floor. |
| sadness |
the state or quality of being unhappy. |
| smile |
to have an expression on the face in which the corners of the mouth turn up. |
| sorry |
feeling sad because you have done something wrong or because something bad happened. |
| sound |
anything that people or animals hear with their ears. |
| stable1 |
firm or steady; not likely to move. |
| stormy |
having or characterized by storms. |
| swap |
to exchange or trade. |
| textbook |
a book used for teaching a particular subject. |