摘要： [2010·重庆西南师大5月模拟]All parents are willing to risk their lives to save of their children when a disaster is approaching. A. losing; that B. to lose; those C. losing; those D. having lost; the ones 65C考查非谓语动词及代词的用法.第一空risk后接动名词作宾语,第二空those代替lives.其后有后置定语of their children.句意:当灾难降临的时候.所有的父母都愿意冒着生命危险挽救他们孩子的生命.
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（2010·重庆模拟）—Alice, you look puzzled．Haven’t you understood it?
—Yes．I _____of another problem just now．
A．had thought B．have thought C．thought D．was thinking
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（2010·重庆模拟）By looking at a problem in as many ways as possible, creative thinkers can find solutions that would _______ remain invisible．
A．otherwise B．yet C．already D．forever
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（2010·重庆模拟）—Alice, you look puzzled．Haven’t you understood it?
—Yes．I _____of another problem just now．
| A．had thought | B．have thought | C．thought | D．was thinking |