(2013·高考新课标全国卷Ⅱ)A serious study of physics is impossible________some knowledge of mathematics

________ is of no concern to us

Ninein ten parents said there were significant differences in their approach toeducating their children compared with __ of their parents.

She _______ to go traveling this summer, but some extra work took up all her time. [ ]

The College Entrance Examination __________near, so you should be prepared for it