Parents sometimes tend to ignore the ______ questions raised by their children.

(单选题)（ ） (单选题)（ ） (单选题)What is the author’s tone when he discusses the connection b (单选题)What is the main idea of the last paragraph? (单选题)Children may learn the rules of language by ______. (单选题)We learn from Paragraph 2 that ______. (单选题)According to some developmental psychologists, ______. (单选题)The main idea of the passage may be ______. (单选题)In the classroom, the activities should ______. (单选题)The underlined word “that” in Paragraph 3 refers to ______.