The ordinary girl sat silently at the corner , but when the prince came over to invite her to dance , her face immediately ____________.
— What do you think of Mary?— There are some things that are not easy to _____, and her carelessness is one.
Henry broke the window. I’ll ask him why __________ .
I think it is necessary for my 19-year-old son to have his own mobile phone, for I sometimes want to make sure if he _____ home for dinner.
Will you please keep ________, Tom? Your father is sleeping in the room.
Five passengers were _____ in the traffic accident and they have all been taken to the nearest hospital.