The Greens used to live in London and now they _____ in Beijing.

My father used to _________ up late, but now he is used to _________ up early.

______ that the Belt and Road Initiative will benefit China’s economy, we are optimistic ____ the future of the country.

It’s hardwork building a bridge over the river.

Whether the soup smells _____ or not doesn’t make any difference to me, as I can’t smell _____ due to my bad cold.