| cause |
something that makes a thing happen. |
| city |
a large and important town where many people live and work. |
| erase |
to remove by rubbing away. |
| float |
to rest on the surface of a liquid without sinking. |
| gain |
to get. |
| helpful |
doing useful things for a person or group; giving aid. |
| limb |
one of the large branches of a tree. |
| move |
to change position or place. |
| number |
a unit with a fixed value that is used to count or to tell the position of something. You can write a number as a word or a symbol, such as "nine" or "9." |
| often |
at frequent times. |
| rib |
one of the set of bones that curve around the chest of a person or animal. |
| sale |
a selling of goods for a lower price than usual. |
| same |
exactly alike; not at all different. |
| suddenly |
without warning, often causing surprise or fear. |
| test |
an examination or experiment to find out what something is, what it is made up of, or how good it is. |