◎ 题干
-Hi, John. Shall we go to Australia for the long holiday?
-Sorry.  I __________ there twice.
[     ]
A. have gone
B. was
C. have been
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“-Hi, John. Shall we go to Australia for the long holiday?-Sorry.I __________ there twice.[ ]A. have goneB. wasC. have been…”主要考查了你对  【系动词】【现在完成时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。