🗣️ 情景例句
Do we have to bag our own groceries?
我必须自己装我们买的商品吗？
He's studying his lesson.
他正在学习课程。
I shall insist that they do from now on. Eating cabbage will keep them healthy.
我要他们从现在起就吃（醋泡白菜）。吃白菜会使他们的身体保持健康的。