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.