这所房子曾经属于我的祖父。

This house ___once belonged to my grandfather.

电脑现在比过去便宜多了。

Computers are much cheaper now than they ___once were.

我曾经去过英格兰，而且我喜欢那里的服装风格和人们的穿着方式！

I ___once went to England and I love the style of the clothes and how people dress there!