A:电线对灯的拉力和灯受到的重力
B:灯受到的重力和灯对天花板的拉力
C:灯对电线的拉力和电线对灯的拉力
D:灯对电线的拉力和电线对天花板的拉力
Amy说她不喜欢吃草莓,你也不喜欢,你会说:
Is this hotel ________ you said we were to stay in your letter?
加偏旁,变新字,并组词。
日 ____ ____