核心问题 1
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Tom and Jack used to swim together during their childhood, ____?
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You used to smoke a pack of cigarettes a day, ____? (翟象俊主编《大学英语》精读教材第一册, p. 95)
《教师参考书》给的答案分别是: didn't they 和 didn't you. 但我认为, 答案应分别为: use
(d) n't they 和 use(d) n't you。
词典解答 1
《教师参考书》提供的答案和你提出的答案都是正确的。因此,为全面计,《教师参考书》最好提供两种答案。更详细的情形,请参见 usedn't he/didn't he? 和 usedn't to/used not to。use(d)n't there? / wasn't there?
核心问题 2
There used to be a map of the world on the wall, ____?(翟象俊主编《大学英语》精读教材第一册,p.95)
《教师参考书》给的答案是: wasn't there.
请问这个答案正确吗?
词典解答 2
书上给的答案是错误的。下面的例句可以证明这一点:
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There used to be some trees in this field, use(d)n't/didn't there? (ALD) 这块地上以前有几棵树,是不是?
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There used to be a tree there. —— Used/Did there? (Wood) 以前那里有一棵树。——是吗?