(2011·湖南高考)The ability ________ an idea is as important as the idea itself.
A．expressing B．expressed
C．to express D．to be expressed
(2013·北京高考)Volunteering gives you a chance ________ lives, including your own.
A．change B．changing
C．changed D．to change
(2011·安徽高考)Tom asked the candy makers if they could make the chocolate easier ______ into small pieces.
A．break B．breaking
C．broken D．to break
(2012·辽宁高考)This machine is very easy ________. Anybody can learn to use it in a few minutes.
A．operating B．to be operating
C．operated D．to operate
(2011·四川高考)______an important role in a new movie, Andy has got a chance to become famous.
A．Offer B．Offering
C．Offered D．To offer
(2012·全国卷Ⅱ)The old man sat in front of the television every evening, happy ________ anything that happened to be on.
A．to watch B．watching
C．watched D．to have watched
