—        bookcase is this?
—It must be         .

根据提示完成句子（每空一词）
将来，不论你在哪里，总能发现中国牌子的产品。
____ ____ ____ you are, you will always find products with Chinese brands in the future.

根据提示完成句子（每空一词）
Maria used to help Mom do housework. (对加粗部分提问)
____ ____ Maria ____ to do?

根据提示完成句子（每空一词）
She watches English movies sometimes.（对加粗部分进行提问）
____ ____ ____ she watch English movies?

根据提示完成句子（每空一词）
I have learned English for three years.（对加粗部分进行提问）
____ ____ ____ you learned English?

根据提示完成句子（每空一词）
I study English by working with friends.（对加粗部分进行提问）
____ ____ you study English?

根据提示填空（每空一词）
She was watching TV at home at nine yesterday. (就加粗部分提问)
____ ____she ____ TV at home?

根据提示填空（每空一词）
She has learned English for five years. (就加粗部分提问)
____ ____ ____ she learned English?

根据提示填空（每空一词）
David has been to Beijing twice. (对加粗部分进行提问)
____ ____ ____ ____ David been to Beijing?

根据提示填空（每空一词）
I was watching TV with my sister at that time. (就加粗部分提问)
____ ____ you watching TV ____ at that time?