It seems she was in class on Friday afternoon, but no one has seen her since.
好象她星期五还在教室,但从那以后没人看见过她。
What Caused The Fire ?
是什么引发了火灾?
It soon became clear that the straight part of the dance changed when the sun's position changed. If the feeding place was toward the sun, the dancer headed straight upward during the straight part of the wagging dance.