请根据句意从方框中选择合适的动词,并用其适当时态填空,使句子通顺。
Williams ▲ his students a wonderful speech on Manners last Wednesday.
The Greens and the Browns ▲ next door to each other for many years.
Lucy ▲ for London on business in three days.
—Were you at school when he came to see you?
—Yes, I ▲ a math class.
Betty will ring me up when she ▲ in Beijing.