He invited me to a dance after the show ________ Christmas Eve.(2009·陕西)
A．at B．on C．in D．by
Four Chinese models were ________ the 14 people awarded prizes on Friday at the World Supermodel Competition.(2009·上海)
A．among B．between C．along D．beside
(2013·重庆，23)It's not easy to change habits，________ with awareness and self－control，it is possible.
A．for B．or C．but D．so
(2013·新课标Ⅰ，32)There's no way of knowing why one man makes an important discovery________another man，also intelligent，fails.
A．since B．if C．as D．while
(2013·新课标Ⅰ，34)It was a real race________time to get the project done.Luckily，we made it.
A．over B．by C．for D．against
(2013·新课标Ⅱ，11)A serious study of physics is impossible________some knowledge of mathematics.
A．against B．before C．beyond D．without
