An interrogative sentence with a choice-type question uses “háishi 还是”(or) to connect choice A and choice B. The responder needs to choose A or B. For example： nǐ shì lǎo shī hái shì xué shenɡ ？ 你是老师还是学生？Are you a teacher or a student? tā xué xí hàn yǔ hái shì hán yǔ ？ 她学习汉语还是韩语？Does she study Chinese or Korean? shū diàn zài zuǒ biɑn hái shì yòu biɑn ？ 书店在左边还是右边？Is the bookstore on the left or the right? xiàn zài qù chāo shì hái shì xià wǔ qù ？ 现在去超市还是下午去？Go to the supermarket now or in the afternoon?