根据句意和中文注释,写出单词的正确形式。
Aunt Liu ______________(唤醒)her son up at 6 o’clock every morning.
We read a lot of Chinese _____________(英雄)stories before the 70th Anniversary of the End of the War of Resistance against Japanese Aggression(抗日战争胜利70周年).
You’re late again. Can you tell me the ____________(原因)?
Mrs.Zhang is a good teacher. She teaches _____________(我们)Chinese this term(学期).