1. Never frown(皱眉) because you never know when someone is falling in love with your smile.
2. I think this scene(场景) was filmed in my hometown.
3. If he were my servant(仆人), I might fire him tomorrow.
4. But, the consulate(领事馆) of China refused his request.
5. This show will feature mining(采矿业) and industrial products from throughout North America and abroad.
