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His sister has been to Hong Kong twice 对twice进行提问 _______ ________has his sisterHis sister has been to Hong Kong twice 对twice进行提问_______ ________has his sister been toHong Kong?
题目详情
His sister has been to Hong Kong twice 对twice进行提问 _______ ________has his sister
His sister has been to Hong Kong twice 对twice进行提问
_______ ________has his sister been toHong Kong?
His sister has been to Hong Kong twice 对twice进行提问
_______ ________has his sister been toHong Kong?
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答案和解析
How often has his sister been to Hong Kong?
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