The wolf had an ____ grin.
I wear socks to bed ____ when it is summer.
When will the volcano next _____?
The teacher asked her students to draw a triangle with three _____ sides.
The man and women decided to _____.
Latitude is measured in degrees from north or south of the _______.
The film contained scenes of strong _______.
The solar _______ made the sky darken.
My trousers have an _______ waist band.
The new car claims to have good fuel _______.
_______ includes the study of how animals relate to their environment.
An ________ plug goes in a socket.
The ambulance responded to _________ quickly.