题目内容
改错
How long has he bought his new pen?
答案：
解析：
解析：
|
将 has…bought 改为 did…buy 或将 bought 改为 had |
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题目内容
改错
How long has he bought his new pen?
|
将 has…bought 改为 did…buy 或将 bought 改为 had |