Must I return the dictionary today—No, you _________. But you _________ return it tomorrow.

has been trying to bring its nuclearcrisis under ____ control, but ____ spread of radiation has raised concernsabout the safety of the nuclear energy

It is human nature to think backto a golden age ______ one’s country was strong andrespected.

In 1998, Liu Xiang’s ______ in hurdling was noticed by Sun Jiangping.

(2013·高考新课标全国卷Ⅱ)Only by increasing the number of doctors by 50 percent ________ properly in this hospital.