| behave |
to act in a certain way. |
| bother |
to annoy or give trouble to. |
| course |
the direction or way along which something moves. |
| drain |
to remove a liquid from something through a pipe. |
| energy |
the ability to have force or power or to do work. There are many kinds of energy such as physical, electrical, nuclear, or chemical. |
| lonely |
unhappy because alone; lonesome. |
| match2 |
a person or thing that is very like another. |
| medical |
having to do with the study or practice of medicine. |
| motion |
the act of moving or changing places. |
| promise |
to state, in a way that makes someone feel sure, that something will happen or will be done. |
| reply |
to give an answer. |
| smart |
intelligent; knowing a lot. |
| snap |
to break suddenly with a cracking noise. |
| thief |
a person who steals. |
| vanish |
to disappear suddenly from sight. |