--__________?--It depends on what it is.
Although he is considered to be one of the most outstanding scientists in his field, Professor White cannot seem to get his ideas ___________ in class.
The task wasn’t easy, but we managed it __________.
___________ the little boy John they would all have died from the gas leakage.
According to the research, the higher the standard of living, the ___________.
We have got everything ready at once, with our guests _________ to come in ten minutes.