标题: 求助og１２ sc７１ [打印本页] 作者: shaineby 时间: 2011-9-7 12:07 标题: 求助og１２ sc７１ encourage visitors to "touch" each exhibit and thereby (to) activate 为什么第二个to可以省呢？ 我是菜鸟啊，希望得到高人指点！作者: fdrandom 时间: 2011-9-7 12:17
to touch和to activate并列啊，后一个to可以省作者: shaineby 时间: 2011-9-8 21:46
是所有 to。。and to。。并列结构中第二个to都可以省么作者: robertwu82 时间: 2011-9-9 08:53
同问，OG12SC75题75 A proposal has been made to trim the horns from rhinoceroses to discourage poachers; the question is whether tourists will continue to visit game parks and see rhinoceroses after their horns are trimmed. (A) whether tourists will continue to visit game parks and see rhinoceroses after their horns are (B) whether tourists will continue to visit game parks to see one once their horns are (C) whether tourists will continue to visit game parks to see rhinoceroses once the animals' horns have been (D) if tourists will continue to visit game parks and see rhinoceroses once the animals' horns are (E) if tourists will continue to visit game parks to see one after the animals' horns have been