填空题


【参考答案】

when改为since。
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填空题
in改为into。
单项选择题
A．He was an adopted child.B．He is a photographer.C．He is used to outdoor activities.D．He wants to learn about wildlife in the mountains.
A．He was an adopted child.
B．He is a photographer.
C．He is used to outdoor activities.
D．He wants to learn about wildlife in the mountains.
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