If we ___ the other road ,we might have arrived here in time for the meeting.
--- What has happened here?--- There was ______ accident here about an hour ago. ______ car hit a tree and ______ driver was killed.
We can’t get the machine to run. There must be ______ with it.
Only ______according to the directions can the medicine be quite effective.
--- I promise her daughter ______ get a nice present on her birthday.---Will it be a big surprise to her?
Before the final examination, many students have shown ______of tension. Some have trouble in sleeping while others have lost their appetite.