—Some people believe that robots will take over the world one day. —What if that is the _________?
―These necklaces are fantastic! Jack, what about _______ with red stones? ―Mmm, I don’t know, but why not try _______ on?
The minute I opened the window, _______.
He was working quietly, with all his attention _______ on the task.
The earthquake in Yushu _______ roughly one month before the second anniversary of the earthquake in Wenchuan.
We need to “spread a little happiness”, _______ the song goes.