请教新概念英语4上的一个填空题,关于CAN 和BE ABLE TO 的用法.he ____easily swim across this river if he wanted to(could) amundsen ____reach the south pole before Scott(was able to)i rang up several times before i ____contact him(was

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请教新概念英语4上的一个填空题,关于CAN 和BE ABLE TO 的用法.he ____easily swim across this river if he wanted to(could) amundsen ____reach the south pole before Scott(was able to)i rang up several times before i ____contact him(was

请教新概念英语4上的一个填空题,关于CAN 和BE ABLE TO 的用法.he ____easily swim across this river if he wanted to(could) amundsen ____reach the south pole before Scott(was able to)i rang up several times before i ____contact him(was
请教新概念英语4上的一个填空题,关于CAN 和BE ABLE TO 的用法.
he ____easily swim across this river if he wanted to(could)
amundsen ____reach the south pole before Scott(was able to)
i rang up several times before i ____contact him(was able to)
i ____get these tickets because i was willing to stand in the queue for hours(was able to)
这个问题是不小心发重了的，谁来随便回答一下马上给采纳

请教新概念英语4上的一个填空题,关于CAN 和BE ABLE TO 的用法.he ____easily swim across this river if he wanted to(could) amundsen ____reach the south pole before Scott(was able to)i rang up several times before i ____contact him(was
我吧~

请教新概念英语4上的一个填空题,关于CAN 和BE ABLE TO 的用法.he ____easily swim across this river if he wanted to(could) amundsen ____reach the south pole before Scott(was able to)i rang up several times before i ____contact him(was 请教新概念英语4上的一个填空题,关于CAN 和BE ABLE TO 的用法.he ____easily swim across this river if he wanted to(could) amundsen ____reach the south pole before Scott(was able to)i rang up several times before i ____contact him(was 新概念英语2的所有填空题答案 用适当的介词填空 新概念英语 新概念英语第二册第四单元测试的Ca题（在线等!） 请问：新概念英语3和4哪个好!哪个更适合考英语6级?为什么网络上关于新概念3的评论较多? 新概念英语第三册课本习题及填空答案?急需新概念英语第三册课本上习题的标准答案!填空也要的, 新概念英语2语法练习求请教!lesson64的! 请教《新概念英语》（4）上的一句话《新概念》第四册第二课第十二行it is impossible to make more than the wildest guess...译文给的是：我们简直无法猜测...,请问为什么这样翻?那位能 请教新概念英语的一个句子the food simply local cheese accompanied by bread often twelve months old句子分析 请教英语首字母填空 关于新概念英语第三册的几个问题 新概念英语第2册填空题答案要新概念英语2册1-60棵的填空答案,每空都要~急 .选择不要 关于新概念英语光盘 英语翻译是新概念英语上的 children get in rhe way during holidays新概念英语第二册第五课的一个题:用带way的短语填空children get__________during holidays 谁有新概念英语第二册的答案?要填空题的! 新概念英语第二册的第八课的填空题答案