问题描述：
They think Shanghai is the best city in the world同义句
They think Shanghai is the best city in the world.同义句
They think Shanghai______ ______ ______ _______city in the world.
He went to Hong Kong for a short stay.对划线部分提问（划线部分：for a short stay）
______ ______ he _______ to Hong Kong?
They think Shanghai is the best city in the world.同义句
They think Shanghai______ ______ ______ _______city in the world.
He went to Hong Kong for a short stay.对划线部分提问（划线部分：for a short stay）
______ ______ he _______ to Hong Kong?
问题解答：
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