On 5 December 2013, China Central Bank prohibited financial institutions from handling Bitcoin transactions, _____ to regulate the virtual currency.
Tom’s parents were very worried because ___little effort he made could hardly achieve the goal to be ___ captain of the team.
____ surprises us most is that she doesn’t even know ____ the difference between the two lies.
--- Do you think living in the country has advantages? --- ____.
____ in the care of his grandmother, Ted grew to be a boy with very good manners.
All the children on the playground stared up into the sky until the noise of the plane ____.