单项选择题
What does she do for a living（）
A．Yes, she does. B．She’s a journalist. C．No, she doesn’t. D．She lives with her mother.
单项选择题 How many people could not have a sound sleep at night according to the recent survey（）
单项选择题 Babies sleep much longer than adults each day because （）
单项选择题 The author writes this passage so as to inform you of （）
