Her sister has been to Hong Kong twice.对twice 进行提问

Her sister has been to Hong Kong twice.对twice 进行提问 His sister has been to Hong Kong twice 对twice进行提问 _______ __ 对twice提问：sherry has been to Hong Kong twice. His sister has been to Hong Kong twice.划线部分提问twice为划线部分 答语_ I have been to Hong Kong twice.(twice划线提问) we have been to Hong Kong [twice]对括号里提问 I've been to Hong Kong twice.划线提问（划线的是twice） His father has been to America twice 对twice提问 his father has been to America twice 对twice 提问 Mike has been to London twice.(对twice进行提问) ____ _____ times l've been to hong kong （twice）划线部分提问 （）（）（）have she has been to beijing (twice)提问