The ordinary girl sat silently at the corner , but when the prince came over to invite her to dance , her face immediately ____________.
—Hey, can I ask you a favor?—Sure, _______
--- Shall we go for a drink at one o’clock this afternoon?--- . Will two o’clock be OK?
Scientists study ____ human brains work to make computers.
The notice came around two in the afternoon____the meeting would be postponed.(2012•江苏)
____medicine works in a human body is a question ____ not everyone can understand fully.