6. Penicillin is perhaps the drug ________ more lives than any other in the history of medicine.
1 point
Clear selection
4.A: "Do you think that the labor bill will be passed?" B: "Oh, yes. It's _________ that it will."
1 point
Clear selection
2. He really deserved the award because he performed _______________ was expected of him.
1 point
Clear selection
1. The more arid the continent, the less the amount of annual precipitation _______________ .
1 point
Clear selection
8. Before every presidential election in the United States, the statisticians try to guess the proportion of the population that _________ for each candidate.
1 point
Clear selection
3. To take pride in what deserves boasting is one thing, and to take good care of it is quite _________ .