【判断题】电路分析当中分析的是电路模型而不是实际电路。
【单选题】Don’t worry. I will ________my younger sister.
【单选题】Don’t worry, I will ________my younger sister.
【单选题】Don’t worry!I will be back _________ a minute.
【单选题】--- Don’t worry, I will ________my younger sister.
【单选题】—Tommy, you can never let others know what I have told you today. —Don’t worry. I will keep the ______.
【单选题】—Tommy, you can never let others know what I have told you today. —Don’t worry. I will keep the ______.