🗣️ 情景例句
That's right. What should we do when we find a shortage in the shipment?
这很对。要是我们发现货物短缺，该怎么办？
When did you do homework?
你什么时候做家庭作业？
How can you change your mind at last minute?
你怎么能在最后时刻改变主意呢？