能自由行发光的物休叫做光源，下列物体属于光源的是（ ）
A．太阳
B．地球
C．月亮
D．玫瑰花
答案：A
______ the story is short and there are no new words in it, it is difficult to understand. [ ]
A. But
B. Though
C. And
D. For
I’m sure the red team will ______ the game.
A．win
B．beat
C．defeat
D．succeed
