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高中英语单选22CookdiscoveredthatNewZealandhasaNorthandaSouthIslandandthattheytoanycontinent.a.aren'tlinkedb.didn'tlinkc.hadn'tlinkedd.haven'tbeenlinked

题目详情
高中英语单选22
Cook discovered that New Zealand has a North and a South Island and that they____to any continent.
a.aren't linked
b.didn't link
c.hadn't linked
d.haven't been linked
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答案和解析
D
都是that,参照前面that New Zealand has a North and a South Island
所以首先为现在时.又句子为被动