---Have all the mysteries been cleared up?--- Almost. But ______ only one question ______.
They____________ potatoes in different ways. They can boil them and fry them.
She likes to keep things rather than throw them ____.
It was 4 o'clock when the front doorbell rang. Mrs. Clarke was __________ tea at the time.
The general asked his men to push _____ so they might overtake the retreating (败退的) enemy troop.
However, it only appears in the imagination and will never be __________.