This kind of cancer can be cured, provided it is ______ early.
Do you know by the time you leaves school your parents ________ $ 6 000 on your education.
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 ___________.