Elephants have good memories． They never （忘记） the places with food and water．
How calm and brave the command （飞行员）was to fly the plane back safely in such a dangerous situation！
In Western culture，"Black （星期五）"sometimes represents an unlucky day．
Look， our library is （东）of the classroom building． It looks modern．
Lin Tao was （勇敢的） enough to save his neighbour from a fire．
Students can ask for help （无论何时） they need it at school．