The witnesses ______ by the police just now gave very different descriptions of the fight.
It was not until I failed in the test ______ I realized I had wasted too much time instead of preparing for it fully.
As is widely acknowledged, a great number of traffic accidents ____ numerous deaths and countless property loss all over the world very year.
Mr. Lee suggested that all of us go out to have a walk to refresh our mind ________ classes.
Take your time, Henry. The ship is arriving in _______ forty minutes.
As parents, it is wrong to ____________ your children when they’ve done something bad.